add a missing '\n', remove some unwanted ones

From /dev/humancontroller.

code/ui/ui_main.c

@@ -931,7 +931,7 @@ void UI_LoadMenus(const char *menuFile, qboolean reset) {
 		Com_Printf( S_COLOR_YELLOW "menu file not found: %s, using default\n", menuFile );
 		handle = trap_PC_LoadSource( "ui/menus.txt" );
 		if (!handle) {
-			trap_Error( va( S_COLOR_RED "default menu file not found: ui/menus.txt, unable to continue!\n") );
+			trap_Error( va( S_COLOR_RED "default menu file not found: ui/menus.txt, unable to continue!" ) );
 		}
 	}