Merge pull request #2139 from timw4mail/develop

Fix interbase limit issue for subqueries
diff --git a/application/config/autoload.php b/application/config/autoload.php
index 4a9d221..40f0a65 100644
--- a/application/config/autoload.php
+++ b/application/config/autoload.php
@@ -56,7 +56,7 @@
 
 /*
 | -------------------------------------------------------------------
-|  Auto-load Packges
+|  Auto-load Packages
 | -------------------------------------------------------------------
 | Prototype:
 |
diff --git a/system/libraries/Image_lib.php b/system/libraries/Image_lib.php
index 54a134f..6d54936 100644
--- a/system/libraries/Image_lib.php
+++ b/system/libraries/Image_lib.php
@@ -1491,7 +1491,7 @@
 		{
 			case 1	:	imagegif($resource);
 				break;
-			case 2	:	imagejpeg($resource, '', $this->quality);
+			case 2	:	imagejpeg($resource, NULL, $this->quality);
 				break;
 			case 3	:	imagepng($resource);
 				break;