Add Firefox 3.7alpha support (still need Windows changes).

Patch by: jat
Review by: conroy

Review at http://gwt-code-reviews.appspot.com/638801


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@8276 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/plugins/xpcom/ModuleOOPHM.cpp b/plugins/xpcom/ModuleOOPHM.cpp
index 4b6c98b..89aabe6 100644
--- a/plugins/xpcom/ModuleOOPHM.cpp
+++ b/plugins/xpcom/ModuleOOPHM.cpp
@@ -26,7 +26,7 @@
 #include "nsServiceManagerUtils.h"
 #include "nsXPCOMCID.h"
 
-#ifdef BROWSER_FF3
+#ifdef GECKO_19
 #include "nsIClassInfoImpl.h" // 1.9 only
 #endif