From 59a38155bbf48d0c0814d8b33b666168e71fb8a5 Mon Sep 17 00:00:00 2001
From: Tor Didriksen <tor.didriksen@oracle.com>
Date: Mon, 31 Oct 2011 10:10:04 +0100
Subject: [PATCH] Bug#12406055 post-push fix: unused variable 'num_chars' in
 optimized build.

---
 sql/sql_string.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sql/sql_string.cc b/sql/sql_string.cc
index ea146c3938c..4dbc2d77206 100644
--- a/sql/sql_string.cc
+++ b/sql/sql_string.cc
@@ -200,7 +200,8 @@ end:
 #else
 #ifdef HAVE_SNPRINTF
   buff[sizeof(buff)-1]=0;			// Safety
-  int num_chars= snprintf(buff, sizeof(buff)-1, "%.*f",(int) decimals, num);
+  IF_DBUG(int num_chars= )
+    snprintf(buff, sizeof(buff)-1, "%.*f",(int) decimals, num);
   DBUG_ASSERT(num_chars > 0);
   DBUG_ASSERT(num_chars < (int) sizeof(buff));
 #else