backout 32502a2c5671 b=559492 due to seg fault in storage/test/test_transaction_helper.cpp possibly in DumpLeakedURLs

netwerk/base/src/nsStandardURL.cpp

@@ -343,6 +343,7 @@ nsStandardURL::InitGlobalObjects()
 
 #ifdef DEBUG_DUMP_URLS_AT_SHUTDOWN
     PR_INIT_CLIST(&gAllURLs);
+    atexit(DumpLeakedURLs);
 #endif
 }
 
@@ -351,10 +352,6 @@ nsStandardURL::ShutdownGlobalObjects()
 {
     NS_IF_RELEASE(gIDN);
     NS_IF_RELEASE(gCharsetMgr);
-
-#ifdef DEBUG_DUMP_URLS_AT_SHUTDOWN
-    atexit(DumpLeakedURLs);
-#endif
 }
 
 //----------------------------------------------------------------------------