From 1b068ed7e4cf669c847f3416a3e15255176aaec1 Mon Sep 17 00:00:00 2001
From: root <jmrenouard@gmail.com>
Date: Tue, 30 Aug 2016 14:56:59 +0200
Subject: [PATCH] #242 adjust test for unitialized value

---
 mysqltuner.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mysqltuner.pl b/mysqltuner.pl
index b16d542..b7e52e8 100755
--- a/mysqltuner.pl
+++ b/mysqltuner.pl
@@ -1912,7 +1912,7 @@ sub check_storage_engines {
         my $total_free=0;
 	foreach my $table_line (@{$result{'Tables'}{'Fragmented tables'}}) {
 	    my ($table_name,$data_free)=split(/\s+/,$table_line);
-            $data_free=0 unless defined($data_free) or $data_free == '';
+            $data_free=0 if  ! defined($data_free) or $data_free == '';
             $data_free=$data_free/1024/1024;
 	    $total_free+=$data_free;
             push( @generalrec,