Bug 231534 - Catch errors when using XMLHttpRequest and survive them.

Bump version to 0.9.82.
r=rginda@hacksrus.com

extensions/venkman/resources/content/venkman-static.js

@@ -37,7 +37,7 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
-const __vnk_version        = "0.9.81";
+const __vnk_version        = "0.9.82";
 const __vnk_requiredLocale = "0.9.81";
 var   __vnk_versionSuffix  = "";
 
@@ -652,12 +652,22 @@ function fetchLaunchCount()
         }
     };
     
+    try
+    {
         var r = new XMLHttpRequest();
         r.onload = onLoad;
         r.open ("GET",
                 __vnk_counter_url + "?local=" + console.prefs["startupCount"] +
                 "&version=" + __vnk_version);
         r.send (null);
+    }
+    catch (ex)
+    {
+        // Oops. Probably missing the xmlextras extension, can't really do 
+        // much about that.
+        display(getMsg(MSN_LAUNCH_COUNT,
+                       [console.prefs["startupCount"], MSG_VAL_UNKNOWN]));
+    }
 }
     
 console.__defineGetter__ ("userAgent", con_ua);