fix bug 428: blank page when gd extension missing

git-svn-id: http://piwigo.org/svn/branches/branch-1_6@1378 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 5 insertions, 0 deletions

diff --git a/admin/thumbnail.php b/admin/thumbnail.php
index d37d9c2fa..d46a05b9c 100644
--- a/admin/thumbnail.php
+++ b/admin/thumbnail.php
@@ -40,6 +40,11 @@ function RatioResizeImg($path, $newWidth, $newHeight, $tn_ext)
 {
   global $conf, $lang, $page;
 
+  if (!function_exists('gd_info'))
+  {
+    return;
+  }
+
   $filename = basename($path);
   $dirname = dirname($path);