tweak: remove some synchronization

Author: gwhalin

src/com/danga/MemCached/MemCachedClient.java

@@ -408,7 +408,7 @@ public boolean delete( String key, Integer hashCode, Date expiry ) {
 			return false;
 
 		// build command
-		StringBuffer command = new StringBuffer( "delete " ).append( key );
+		StringBuilder command = new StringBuilder( "delete " ).append( key );
 		if ( expiry != null )
 			command.append( " " + expiry.getTime() / 1000 );
 
@@ -1074,7 +1074,7 @@ private long incrdecr( String cmdname, String key, long inc, Integer hashCode )
 		// get SockIO obj for given cache key
 		SockIOPool.SockIO sock = SockIOPool.getInstance( poolName ).getSock(key, hashCode);
 
-		if (sock == null)
+		if ( sock == null )
 			return -1;
 
 		try {