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

console-tools/setkeycodes.c

@@ -72,5 +72,5 @@ setkeycodes_main(int argc, char** argv)
 	argc -= 2;
 	argv += 2;
     }
-    exit( TRUE);
+    return( TRUE);
 }