Fix compiler warnings.

Test: mmm

Change-Id: I937ac6ab2da5530ee249e6e87a90d18e9bd3de6e
Merged-In: I937ac6ab2da5530ee249e6e87a90d18e9bd3de6e
(cherry picked from commit 87eef41a5b81391b10a0f4ad874f6f04e261ed84)
diff --git a/media/libstagefright/codecs/amrwbenc/SampleCode/AMRWB_E_SAMPLE.c b/media/libstagefright/codecs/amrwbenc/SampleCode/AMRWB_E_SAMPLE.c
index 0cb0097..7c094f3 100644
--- a/media/libstagefright/codecs/amrwbenc/SampleCode/AMRWB_E_SAMPLE.c
+++ b/media/libstagefright/codecs/amrwbenc/SampleCode/AMRWB_E_SAMPLE.c
@@ -90,7 +90,7 @@
 	VO_AUDIO_CODECAPI       AudioAPI;
 	VO_MEM_OPERATOR         moper;
 	VO_CODEC_INIT_USERDATA  useData;
-	VO_HANDLE               hCodec;
+	VO_HANDLE               hCodec = NULL;
 	VO_CODECBUFFER          inData;
 	VO_CODECBUFFER          outData;
 	VO_AUDIO_OUTPUTINFO     outFormat;
@@ -211,7 +211,7 @@
 			if(returnCode == 0)
 			{
 				framenum++;
-				printf(" Frames processed: %hd\r", framenum);
+				printf(" Frames processed: %d\r", framenum);
 				if(framenum == 1)
 				{
 					fwrite(OutputBuf, 1, outData.Length + size1, fdst);