[bugzilla-gnome-org-extensions] Fix catch for cross-browser compatibility

[Krzesimir Nowak <krnowak src gnome org>]

commit 2fc21531b14b02258bc45ddc2d1b4efb59935060
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Wed Oct 7 23:55:09 2009 -0400

    Fix catch for cross-browser compatibility
    
    Apparently:
    
      } catch (e if e instanceof ParseError) {
    
    is Firefox specific. Test inside the catch block and
    rethrow as needed instead.

 js/xmlRpc.js |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/js/xmlRpc.js b/js/xmlRpc.js
index 49e5de7..2f1c7bf 100644
--- a/js/xmlRpc.js
+++ b/js/xmlRpc.js
@@ -200,8 +200,11 @@ function _handleSuccess(options, xml) {
             throw new ParseError("Bad content of <methodResponse/>");
         }
 
-    } catch (e if e instanceof ParseError) {
-        options.error(e.message);
+    } catch (e) {
+        if (e instanceof ParseError)
+            options.error(e.message);
+        else
+            throw e;
     }
 }