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 376835ac72a6b2ebd87100ca0333ba76d2ebef12..76cd2db38d1984bc5bd1726e38667260339581e9 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 Wed Nov  9 12:07:33 2011. */
+/* From ppp_mouse_lock.idl modified Wed Dec 21 19:08:34 2011. */
 
 #ifndef PPAPI_C_PPP_MOUSE_LOCK_H_
 #define PPAPI_C_PPP_MOUSE_LOCK_H_
@@ -31,7 +31,7 @@
  * The <code>PPP_MouseLock</code> interface contains a function that you must
  * implement to receive mouse lock events from the browser.
  */
-struct PPP_MouseLock {
+struct PPP_MouseLock_1_0 {
   /**
    * MouseLockLost() is called when the instance loses the mouse lock, such as
    * when the user presses the ESC key.
@@ -41,6 +41,8 @@ struct PPP_MouseLock {
    */
   void (*MouseLockLost)(PP_Instance instance);
 };
+
+typedef struct PPP_MouseLock_1_0 PPP_MouseLock;
 /**
  * @}
  */