* fileio.c (make_temp_name): Omit unnecessary cast to unsigned.

src/ChangeLog

 2011-06-13  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* fileio.c (make_temp_name): Omit unnecessary cast to unsigned.
+
 	* editfns.c (Ftranslate_region_internal): Use int, not EMACS_INT
 	for characters.
 

src/fileio.c

@@ -643,7 +643,7 @@ make_temp_name (Lisp_Object prefix, int base64_p)
 
   if (!make_temp_name_count_initialized_p)
     {
-      make_temp_name_count = (unsigned) time (NULL);
+      make_temp_name_count = time (NULL);
       make_temp_name_count_initialized_p = 1;
     }