Renamed handle_t to obj_handle_t to avoid conflict with rpcdce.h.

diff --git a/server/file.c b/server/file.c
index cdfb580..d8da517 100644
--- a/server/file.c
+++ b/server/file.c
@@ -463,12 +463,12 @@
     }
 }
 
-struct file *get_file_obj( struct process *process, handle_t handle, unsigned int access )
+struct file *get_file_obj( struct process *process, obj_handle_t handle, unsigned int access )
 {
     return (struct file *)get_handle_obj( process, handle, access, &file_ops );
 }
 
-static int set_file_pointer( handle_t handle, unsigned int *low, int *high, int whence )
+static int set_file_pointer( obj_handle_t handle, unsigned int *low, int *high, int whence )
 {
     struct file *file;
     off_t result,xto;
@@ -548,7 +548,7 @@
     return ret;
 }
 
-static int set_file_time( handle_t handle, time_t access_time, time_t write_time )
+static int set_file_time( obj_handle_t handle, time_t access_time, time_t write_time )
 {
     struct file *file;
     struct utimbuf utimbuf;