Update callers *GifCloseFile for new GIFLIB DO NOT MERGE

Bug:34697653
Test: build; existing CTS tests

Original commit message:
Fix build breakage caused by updating giflib

Change-Id: I085379470620ec4db13f8baf7a9eb069747270b7
diff --git a/jni/GifTranscoder.cpp b/jni/GifTranscoder.cpp
index 0e83982..112feca 100644
--- a/jni/GifTranscoder.cpp
+++ b/jni/GifTranscoder.cpp
@@ -508,11 +508,11 @@
 
 GifFilesCloser::~GifFilesCloser() {
     if (mGifIn) {
-        DGifCloseFile(mGifIn);
+        DGifCloseFile(mGifIn, NULL);
         mGifIn = NULL;
     }
     if (mGifOut) {
-        EGifCloseFile(mGifOut);
+        EGifCloseFile(mGifOut, NULL);
         mGifOut = NULL;
     }
 }