Fix some -Wstrict-prototypes warnings.

diff --git a/dlls/msvcrt/tests/time.c b/dlls/msvcrt/tests/time.c
index 265b7de..5ad3bd6 100644
--- a/dlls/msvcrt/tests/time.c
+++ b/dlls/msvcrt/tests/time.c

@@ -146,7 +146,7 @@
     ok(((DWORD)nulltime == SECSPERDAY),"mktime returned 0x%08lx\n",(DWORD)nulltime);
     putenv(TZ_env);
 }
-static void test_localtime()
+static void test_localtime(void)
 {
     TIME_ZONE_INFORMATION tzinfo;
     DWORD res =  GetTimeZoneInformation(&tzinfo);

diff --git a/dlls/ntdll/tests/path.c b/dlls/ntdll/tests/path.c
index 7fa172c..d8ba775 100644
--- a/dlls/ntdll/tests/path.c
+++ b/dlls/ntdll/tests/path.c

@@ -219,7 +219,7 @@
         }
     }
 }
-static void test_RtlGetFullPathName_U()
+static void test_RtlGetFullPathName_U(void)
 {
     struct test
     {

diff --git a/dlls/ntdll/tests/string.c b/dlls/ntdll/tests/string.c
index b3d7bed..621a208 100644
--- a/dlls/ntdll/tests/string.c
+++ b/dlls/ntdll/tests/string.c

@@ -55,7 +55,7 @@
 static ULONG    (WINAPIV *pwcstoul)(LPCWSTR, LPWSTR *, INT);
 
 
-static void InitFunctionPtrs()
+static void InitFunctionPtrs(void)
 {
     hntdll = LoadLibraryA("ntdll.dll");
     ok(hntdll != 0, "LoadLibrary failed\n");

diff --git a/dlls/oleaut32/tests/olepicture.c b/dlls/oleaut32/tests/olepicture.c
index 0c50265..a7dae7b 100644
--- a/dlls/oleaut32/tests/olepicture.c
+++ b/dlls/oleaut32/tests/olepicture.c

@@ -198,7 +198,7 @@
 	ok (res == 0, "refcount after release is %ld, but should be 1?\n", res);
 }
 
-static void test_empty_image() {
+static void test_empty_image(void) {
 	LPBYTE		data;
 	LPSTREAM	stream;
 	IPicture*	pic = NULL;
@@ -238,7 +238,7 @@
 	IPicture_Release (pic);
 }
 
-static void test_empty_image_2() {
+static void test_empty_image_2(void) {
 	LPBYTE		data;
 	LPSTREAM	stream;
 	IPicture*	pic = NULL;

diff --git a/dlls/shlwapi/tests/string.c b/dlls/shlwapi/tests/string.c
index 5d3f38a..47d9a6c 100644
--- a/dlls/shlwapi/tests/string.c
+++ b/dlls/shlwapi/tests/string.c

@@ -457,7 +457,7 @@
   }
 }
 
-static void test_StrDupA()
+static void test_StrDupA(void)
 {
   LPSTR lpszStr;
   const StrFormatSizeResult* result = StrFormatSize_results;

diff --git a/dlls/urlmon/tests/url.c b/dlls/urlmon/tests/url.c
index 5079b8d..01d79b0 100644
--- a/dlls/urlmon/tests/url.c
+++ b/dlls/urlmon/tests/url.c

@@ -186,7 +186,7 @@
     statusclb_OnObjectAvailable
 };
 
-static IBindStatusCallback* statusclb_create()
+static IBindStatusCallback* statusclb_create(void)
 {
     statusclb *ret = HeapAlloc(GetProcessHeap(), 0, sizeof(statusclb));
     ret->lpVtbl = &statusclbVtbl;

diff --git a/dlls/user/tests/menu.c b/dlls/user/tests/menu.c
index c956b43..b61f2df 100644
--- a/dlls/user/tests/menu.c
+++ b/dlls/user/tests/menu.c

@@ -127,7 +127,7 @@
 
 /* demonstrates that windows lock the menu object so that it is still valid
  * even after a client calls DestroyMenu on it */
-static void test_menu_locked_by_window()
+static void test_menu_locked_by_window(void)
 {
     BOOL ret;
     HMENU hmenu;
@@ -161,7 +161,7 @@
     DestroyWindow(hwnd);
 }
 
-static void test_menu_ownerdraw()
+static void test_menu_ownerdraw(void)
 {
     int i,j,k;
     BOOL ret;

diff --git a/programs/start/start.c b/programs/start/start.c
index faba079..642ee2b 100644
--- a/programs/start/start.c
+++ b/programs/start/start.c

@@ -91,12 +91,12 @@
 	ExitProcess(1);
 }
 
-static void usage()
+static void usage(void)
 {
 	fatal_string(STRING_USAGE);
 }
 
-static void license()
+static void license(void)
 {
 	fatal_string(STRING_LICENSE);
 }