fix: No current asset when ending up on Not Found page

docs/changelog/7.x.x.txt

@@ -25,6 +25,7 @@
  - Testing Gallery::Utility a bit more thoroughly.
  - fix: Photo EXIF data now gets cached correctly and sanitized for 
     references (since JSON won't store them and they're of no use to us anyway).
+ - fix: No current asset when ending up on Not Found page
 
 7.5.0
  - rfe: Search Asset returns URLs

lib/WebGUI.pm

@@ -1,7 +1,7 @@
 package WebGUI;
 
 
-our $VERSION = "7.5.0";
+our $VERSION = '7.5.1';
 our $STATUS = "beta";
 
 

lib/WebGUI/AssetTrash.pm

@@ -194,7 +194,7 @@ sub purge {
 
     # clean up version tag if empty
     my $versionTag = WebGUI::VersionTag->new($session, $tagId);
-    if ($versionTag->getAssetCount == 0) {
+    if ($versionTag && $versionTag->getAssetCount == 0) {
         $versionTag->rollback;
     }
     return 1;

lib/WebGUI/Content/NotFound.pm

@@ -50,7 +50,8 @@ sub handler {
     my $output = "";
 	my $notFound = WebGUI::Asset->getNotFound($session);
 	if (defined $notFound) {
-		$output = eval { $notFound->www_view };
+        $session->asset($notFound);
+        $output = eval { $notFound->www_view };
 	} 
     else {
         $session->errorHandler->error("The notFound page could not be instanciated!");