remove directory mtime from db!

TODO

 1) non-blocking (for other clients) update
-	n) mpd command for rereading db
-	o) rewrite update functions to indicate if something was updated, then
-	 	when update process returns, indicate wheater db was updated
-		and should be reread by parent process
 	p) set error: in status when an error occurs during update
 
 2) cleanup main()

src/ls.c

@@ -179,12 +179,11 @@ int hasMp3Suffix(char * utf8file) {
 	return hasSuffix(utf8file,"mp3");
 }
 
-int isDir(char * utf8name, time_t * mtime) {
+int isDir(char * utf8name) {
 	struct stat st;
 
 	if(stat(rmp2amp(utf8ToFsCharset(utf8name)),&st)==0) {
 		if(S_ISDIR(st.st_mode)) {
-			if(mtime) *mtime = st.st_mtime;
 			return 1;
 		}
 	}

src/ls.h

@@ -28,7 +28,7 @@ int lsPlaylists(FILE * fp, char * utf8path);
 
 int isFile(char * utf8file, time_t * mtime);
 
-int isDir(char * utf8name, time_t * mtime);
+int isDir(char * utf8name);
 
 int isPlaylist(char * utf8file);