Fix some -Wmissing-declarations by making functions static.

diff --git a/tools/bin2res.c b/tools/bin2res.c
index 5e8fa06..7a45f65 100644
--- a/tools/bin2res.c
+++ b/tools/bin2res.c
@@ -64,13 +64,13 @@
 	"To force processing of all resources, use the -f flag.\n"
 	"To process a particular file, use the -i/-o options.\n";
 
-void usage(void)
+static void usage(void)
 {
     printf(help);
     exit(1);
 }
 
-int insert_hexdump (FILE* outfile, FILE* infile)
+static int insert_hexdump (FILE* outfile, FILE* infile)
 {
     int i, c;
 
@@ -86,14 +86,14 @@
     return 1;
 }
 
-int hex2bin(char c)
+static int hex2bin(char c)
 {
     if (!isxdigit(c)) return -1024;
     if (isdigit(c)) return c - '0';
     return toupper(c) - 'A' + 10;
 }
 
-int extract_hexdump (FILE* outfile, FILE* infile)
+static int extract_hexdump (FILE* outfile, FILE* infile)
 {
     int byte, c;
 
@@ -110,7 +110,7 @@
     return 1;
 }
 
-const char* parse_marker(const char *line, time_t* last_updated)
+static const char* parse_marker(const char *line, time_t* last_updated)
 {
     static char res_file_name[PATH_MAX], *rpos, *wpos;
     struct stat st;
@@ -125,7 +125,7 @@
     return res_file_name;
 }
 
-int process_resources(const char* input_file_name, const char* specific_file_name, 
+static int process_resources(const char* input_file_name, const char* specific_file_name, 
 		      int inserting, int force_processing, int verbose)
 {
     char buffer[2048], tmp_file_name[PATH_MAX];
diff --git a/tools/sfnt2fnt.c b/tools/sfnt2fnt.c
index 13c3a7f..eee3de4 100644
--- a/tools/sfnt2fnt.c
+++ b/tools/sfnt2fnt.c
@@ -54,13 +54,13 @@
 
 #include "poppack.h"
 
-void usage(char **argv)
+static void usage(char **argv)
 {
     fprintf(stderr, "%s foo.ttf ppem enc dpi def_char avg_width\n", argv[0]);
     return;
 }
 
-int lookup_charset(int enc)
+static int lookup_charset(int enc)
 {
     /* FIXME: make winelib app and use TranslateCharsetInfo */
     switch(enc) {
diff --git a/tools/widl/header.c b/tools/widl/header.c
index 212e42a..2147565 100644
--- a/tools/widl/header.c
+++ b/tools/widl/header.c
@@ -80,7 +80,7 @@
   return 0;
 }
 
-void write_guid(const char *guid_prefix, const char *name, UUID *uuid)
+static void write_guid(const char *guid_prefix, const char *name, UUID *uuid)
 {
   if (!uuid) return;
   fprintf(header, "DEFINE_GUID(%s_%s, 0x%08lx, 0x%04x, 0x%04x, 0x%02x,0x%02x, 0x%02x,"
@@ -713,25 +713,25 @@
   }
 }
 
-void write_iface_guid(type_t *iface)
+static void write_iface_guid(type_t *iface)
 {
   UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
   write_guid("IID", iface->name, uuid);
 } 
 
-void write_dispiface_guid(type_t *iface)
+static void write_dispiface_guid(type_t *iface)
 {
   UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
   write_guid("DIID", iface->name, uuid);
 }
 
-void write_coclass_guid(class_t *cocl)
+static void write_coclass_guid(class_t *cocl)
 {
   UUID *uuid = get_attrp(cocl->attrs, ATTR_UUID);
   write_guid("CLSID", cocl->name, uuid);
 }
 
-void write_com_interface(type_t *iface)
+static void write_com_interface(type_t *iface)
 {
   if (!iface->funcs && !iface->ref) {
     yywarning("%s has no methods", iface->name);
@@ -793,7 +793,7 @@
   fprintf(header,"\n#endif  /* __%s_INTERFACE_DEFINED__ */\n\n", iface->name);
 }
 
-void write_rpc_interface(type_t *iface)
+static void write_rpc_interface(type_t *iface)
 {
   unsigned long ver = get_attrv(iface->attrs, ATTR_VERSION);
   char *var = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
diff --git a/tools/widl/proxy.c b/tools/widl/proxy.c
index a1c8c24..69913a8 100644
--- a/tools/widl/proxy.c
+++ b/tools/widl/proxy.c
@@ -141,7 +141,7 @@
   print_proxy( "\n");
 }
 
-static void init_proxy()
+static void init_proxy(void)
 {
   if (proxy) return;
   if(!(proxy = fopen(proxy_name, "w")))
diff --git a/tools/widl/server.c b/tools/widl/server.c
index 5854fd9..1c48e25 100644
--- a/tools/widl/server.c
+++ b/tools/widl/server.c
@@ -124,7 +124,7 @@
 }
 
 
-unsigned int get_required_stack_size(type_t *type)
+static unsigned int get_required_stack_size(type_t *type)
 {
     switch(type->type)
     {