-diff -Naur mysql-5.5.8.orig/include/mysql_com.h mysql-5.5.8/include/mysql_com.h
---- mysql-5.5.8.orig/include/mysql_com.h 2010-12-03 12:58:24.000000000 -0500
-+++ mysql-5.5.8/include/mysql_com.h 2010-12-27 14:27:23.957927198 -0500
-@@ -448,6 +448,7 @@
- void my_net_local_init(NET *net);
- void net_end(NET *net);
- void net_clear(NET *net, my_bool clear_buffer);
-+#define net_realloc mysql_net_realloc /* namespace sanity */
+--- percona-server-5.7.12-5/include/mysql_com.h~ 2016-06-01 09:44:09.000000000 +0300
++++ percona-server-5.7.12-5/include/mysql_com.h 2016-06-20 09:12:01.301815678 +0300
+@@ -509,6 +509,7 @@
+ void net_end(NET *net);
+ void net_clear(NET *net, my_bool check_buffer);
+ void net_claim_memory_ownership(NET *net);
++#define net_realloc mysql_net_realloc /* namespace sanity */