Fix for issue 4988956 No audio can be heard during preview

Change-Id: I61fc9086f2c00259e4f54535a5938b161d95b144
diff --git a/libvideoeditor/lvpp/VideoEditorSRC.h b/libvideoeditor/lvpp/VideoEditorSRC.h
index 069665a..20313e3 100755
--- a/libvideoeditor/lvpp/VideoEditorSRC.h
+++ b/libvideoeditor/lvpp/VideoEditorSRC.h
@@ -67,6 +67,8 @@
         VideoEditorSRC();
         VideoEditorSRC &operator=(const VideoEditorSRC &);
 
+        status_t checkAndSetResampler();
+
         AudioResampler        *mResampler;
         sp<MediaSource>      mSource;
         MediaBuffer      *mCopyBuffer;