Updates to a number of apps to remove warnings/compile errors under libc5.

Tested under both libc5 and libc6 and all seems well with these fixes.
 -Erik

findutils/find.c

@@ -116,5 +116,5 @@ int find_main(int argc, char **argv)
 		exit(FALSE);
 	}
 
-	exit(TRUE);
+	return(TRUE);
 }