Add default param to errorimage()

Changelog.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## v0.14-dev
+
+### Fixed
+ - Fixed error image generation in the image previewer under certain conditions.
+
 ## v0.13
 (No changes were made between the last beta release and this release)
 

build/index.php

@@ -3900,7 +3900,7 @@ function getsvgsize($svgFilename)
 	return $imageSize;
 }
 
-function errorimage($text, $target_size)
+function errorimage($text, $target_size = null)
 {
 	$width = 640;
 	$height = 480;

module_index.json

@@ -95,7 +95,7 @@
         "author": "Starbeamrainbowlabs",
         "description": "Adds the ability to upload files to Pepperminty Wiki. Uploaded files act as pages and have the special 'File\/' prefix.",
         "id": "feature-upload",
-        "lastupdate": 1482008539,
+        "lastupdate": 1492428125,
         "optional": false
     },
     {

modules/feature-upload.php

@@ -540,7 +540,7 @@ function getsvgsize($svgFilename)
 	return $imageSize;
 }
 
-function errorimage($text, $target_size)
+function errorimage($text, $target_size = null)
 {
 	$width = 640;
 	$height = 480;