fixed bug #18643

diff --git a/ext/mysql/libmysql/my_tempnam.c b/ext/mysql/libmysql/my_tempnam.c
index 6dca387fa1f55e0e931107b917e3e80e18b8c3e4..e90e2553c8b64e9bc3ff1aed4e7094e35fc66261 100644 (file)
--- a/ext/mysql/libmysql/my_tempnam.c
+++ b/ext/mysql/libmysql/my_tempnam.c
@@ -96,13 +96,13 @@ my_string my_tempnam(const char *dir, const char *pfx,
   old_env=(char**)environ;
   if (dir)
   {                            /* Don't use TMPDIR if dir is given */
-    environ=(const char**)temp_env;            /* May give warning */
+    ((char **)environ)=(char**)temp_env;               /* May give warning */
     temp_env[0]=0;
   }
 #endif
   res=tempnam((char*) dir,(my_string) pfx); /* Use stand. dir with prefix */
 #ifndef OS2
-  environ=(const char**)old_env;               /* May give warning */
+  ((char**)environ)=(char**)old_env;           /* May give warning */
 #endif
   if (!res)
     DBUG_PRINT("error",("Got error: %d from tempnam",errno));