Configure fix, so when no glib found it gives a error, and another race condition fix in the master proces patch.

git-svn-id: https://svn.musicpd.org/mpd/trunk@3730 09075e82-0dd4-0310-85a5-a0d7c8717e4f

src/main.c

@@ -520,11 +520,11 @@ int main(int argc, char * argv[]) {
 	initAudioConfig();
         initAudioDriver();
 
+        initSigHandlers();
 	startMainProcess();
 	/* This is the main process which has
 	 * been forked from the master process.
 	 */
-        initSigHandlers();
 	
 	initPermissions();