Add preprocessor statements to check if battery support has been enabled before using "default_battery()".

git-svn-id: http://tint2.googlecode.com/svn/trunk@442 121b4492-b84c-0410-8b4c-0d4edfb3f3cc

src/tint.c

@@ -59,7 +59,9 @@ void init (int argc, char *argv[])
 	default_timeout();
 	default_systray();
 	memset(&server, 0, sizeof(Server_global));
+#ifdef ENABLE_BATTERY
 	default_battery();
+#endif
 	default_clock();
 	default_taskbar();
 	default_tooltip();