ppapi: Make sure the touch-event interface is detected correctly.

ppapi/thunk/ppb_input_event_thunk.cc

Index: ppapi/thunk/ppb_input_event_thunk.cc
diff --git a/ppapi/thunk/ppb_input_event_thunk.cc b/ppapi/thunk/ppb_input_event_thunk.cc
index 27a7027f4ca4ad6b7026a404382790fe603e8f35..4efbc1886ac3c030a5f037f1b5e2d4520d2d80ef 100644
--- a/ppapi/thunk/ppb_input_event_thunk.cc
+++ b/ppapi/thunk/ppb_input_event_thunk.cc
@@ -480,7 +480,7 @@ const PPB_IMEInputEvent_Dev_0_2* GetPPB_IMEInputEvent_Dev_0_2_Thunk() {
   return &g_ppb_ime_input_event_0_2_thunk;
 }
 
-const PPB_TouchInputEvent_1_0* GetPPB_TouchInputEvent_Thunk() {
+const PPB_TouchInputEvent_1_0* GetPPB_TouchInputEvent_1_0_Thunk() {
   return &g_ppb_touch_input_event_thunk;
 }