Fix various warnings

code/tools/asm/cmdlib.h

@@ -67,8 +67,8 @@ typedef unsigned char byte;
 extern int myargc;
 extern char **myargv;
 
-char *strupr (char *in);
-char *strlower (char *in);
+char *Q_strupr (char *in);
+char *Q_strlower (char *in);
 int Q_strncasecmp( const char *s1, const char *s2, int n );
 int Q_stricmp( const char *s1, const char *s2 );
 void Q_getwd( char *out );