Silence some signedness warnings.

programs/winetest/gui.c

@@ -515,8 +515,7 @@ report (enum report_type t, ...)
         
     va_start (ap, t);
     if (t < sizeof text_funcs / sizeof text_funcs[0] &&
-        t < sizeof GUI_funcs / sizeof GUI_funcs[0] &&
-        t >= 0) ret = funcs[t](ap);
+        t < sizeof GUI_funcs / sizeof GUI_funcs[0]) ret = funcs[t](ap);
     else report (R_WARNING, "unimplemented report type: %d", t);
     va_end (ap);
     return ret;

programs/winetest/main.c

@@ -192,7 +192,8 @@ const char* get_file_rev(const char* file)
 void extract_rev_infos ()
 {
     char revinfo[256], *p;
-    int size = 0, i, len;
+    int size = 0, i;
+    unsigned int len;
     HMODULE module = GetModuleHandle (NULL);
 
     for (i = 0; TRUE; i++) {