reenable dir fsync

stepmania/src/RageFileDriverDirect.cpp

@@ -199,8 +199,7 @@ bool RageFileObjDirect::FinalFlush()
 		SetError( strerror(errno) );
 		return false;
 	}
-#if 0
-	/* XXX: causing problems for some reason */
+
 	/* Wait for the directory to be flushed. */
 	int dirfd = open( Dirname(path), O_RDONLY );
 	if( dirfd == -1 )
@@ -219,7 +218,6 @@ bool RageFileObjDirect::FinalFlush()
 	}
 
 	close( dirfd );
-#endif
 
 	return true;
 }