Added missing header that prevents successful compilation.

diff --git a/ext/mysql/libmysql/mysys_err.h b/ext/mysql/libmysql/mysys_err.h
index 469d5a680e3b6d9811080ba3789cad8586141c0f..650bfd4de92223f9409533ea250e4857bce5078c 100644 (file)
--- a/ext/mysql/libmysql/mysys_err.h
+++ b/ext/mysql/libmysql/mysys_err.h
@@ -3,6 +3,9 @@ This file is public domain and comes with NO WARRANTY of any kind */
 
 #ifndef _mysys_err_h
 #define _mysys_err_h
+
+#include <errno.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif