Remove redundant definition of EvdevPtr

BUG=chromium:218912
TEST=emerge-lumpy libevdev, no clang warning

Change-Id: I6a63fdde6719a93e5f9ccc5ec34f390222fa4d7d
Reviewed-on: https://gerrit.chromium.org/gerrit/47421
Reviewed-by: Dennis Kempin <denniskempin@chromium.org>
Tested-by: Yunlian Jiang <yunlian@chromium.org>
Commit-Queue: Yunlian Jiang <yunlian@chromium.org>
diff --git a/include/libevdev/libevdev.h b/include/libevdev/libevdev.h
index d0cd6f7..e9d615b 100644
--- a/include/libevdev/libevdev.h
+++ b/include/libevdev/libevdev.h
@@ -65,7 +65,7 @@
   struct timeval before_sync_time;
   struct timeval after_sync_time;
 };
-typedef struct Evdev_ Evdev, *EvdevPtr;
+typedef struct Evdev_ Evdev;
 
 int EvdevOpen(EvdevPtr, const char*);
 int EvdevClose(EvdevPtr);