SoftAVCEncoder: fix auto merge error, member names have changed.

Bug: 20674674
Change-Id: I511c22d59789e1cc3a21fe13ea08ac3752e737c6
diff --git a/media/libstagefright/codecs/avc/enc/SoftAVCEncoder.cpp b/media/libstagefright/codecs/avc/enc/SoftAVCEncoder.cpp
index 0f56f4c..6a7b222 100644
--- a/media/libstagefright/codecs/avc/enc/SoftAVCEncoder.cpp
+++ b/media/libstagefright/codecs/avc/enc/SoftAVCEncoder.cpp
@@ -244,7 +244,7 @@
     if (mColorFormat != OMX_COLOR_FormatYUV420Planar || mInputDataIsMeta) {
         // Color conversion is needed.
         free(mInputFrameData);
-        if (((uint64_t)mVideoWidth * mVideoHeight) > ((uint64_t)INT32_MAX / 3)) {
+        if (((uint64_t)mWidth * mHeight) > ((uint64_t)INT32_MAX / 3)) {
             ALOGE("Buffer size is too big.");
             return OMX_ErrorUndefined;
         }