Bump the XPCOM version from 8 to 9

--HG--
extra : transplant_source : %DB%9E%D5%03%8D%D2%11%DDu%15%CF%A3%8A%BC%FFZ%D5%E6%26p

xpcom/components/Module.h

@@ -53,7 +53,7 @@ namespace mozilla {
  */
 struct Module
 {
-  static const unsigned int kVersion = 8;
+  static const unsigned int kVersion = 9;
 
   struct CIDEntry;