No bug - Remove extra comma which gcc dislikes. r=me

js/src/vm/Stack.h

@@ -224,7 +224,7 @@ enum ExecuteType {
     EXECUTE_DIRECT_EVAL    =        0x4, /* == StackFrame::EVAL */
     EXECUTE_INDIRECT_EVAL  =        0x5, /* == StackFrame::GLOBAL | EVAL */
     EXECUTE_DEBUG          =        0xc, /* == StackFrame::EVAL | DEBUGGER */
-    EXECUTE_DEBUG_GLOBAL   =        0xd, /* == StackFrame::EVAL | DEBUGGER | GLOBAL */
+    EXECUTE_DEBUG_GLOBAL   =        0xd  /* == StackFrame::EVAL | DEBUGGER | GLOBAL */
 };
 
 /*****************************************************************************/