Amend previous commit of HADOOP-7657 (LZ4 compression). Fix a mistaken #include

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1220313 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/src/main/native/src/org/apache/hadoop/io/compress/lz4/lz4.c

@@ -55,7 +55,6 @@
 //**************************************
 #include <stdlib.h>   // for malloc
 #include <string.h>   // for memset
-#include "lz4.h"
 
 
 //**************************************