Update PPAPI IDL generator to define versioned structs, and unversioned typedef.

ppapi/c/ppp_mouse_lock.h

Index: ppapi/c/ppp_mouse_lock.h
diff --git a/ppapi/c/ppp_mouse_lock.h b/ppapi/c/ppp_mouse_lock.h
index 850813ad6e7b34d81c1e2740ee5ec29773d138ec..b2a8b3b62e70e3bff3e5dc20f34173ac3a67a358 100644
--- a/ppapi/c/ppp_mouse_lock.h
+++ b/ppapi/c/ppp_mouse_lock.h
@@ -3,7 +3,7 @@
  * found in the LICENSE file.
  */
 
-/* From ppp_mouse_lock.idl modified Fri Oct 14 19:00:26 2011. */
+/* From ppp_mouse_lock.idl modified Tue Oct 18 16:19:04 2011. */
 
 #ifndef PPAPI_C_PPP_MOUSE_LOCK_H_
 #define PPAPI_C_PPP_MOUSE_LOCK_H_
@@ -29,7 +29,7 @@
  * The <code>PPP_MouseLock</code> interface contains pointers to functions
  * that you must implement to receive mouse lock events from the browser.
  */
-struct PPP_MouseLock {
+struct PPP_MouseLock_1_0 {
   /**
    * Called when the instance loses the mouse lock, e.g. because the user
    * pressed the ESC key.
@@ -39,6 +39,8 @@ struct PPP_MouseLock {
    */
   void (*MouseLockLost)(PP_Instance instance);
 };
+
+typedef struct PPP_MouseLock_1_0 PPP_MouseLock;
 /**
  * @}
  */