Add exports to allow libyuv to be built as a shared lib.
BUG=99
TEST=shared lib builds without impact and unittests link against import lib.
Review URL: https://webrtc-codereview.appspot.com/844005
git-svn-id: http://libyuv.googlecode.com/svn/trunk@379 16f28f9a-4ce2-e073-06de-1de4eb20be90
diff --git a/source/row_posix.cc b/source/row_posix.cc
index 05173dd..65416c0 100644
--- a/source/row_posix.cc
+++ b/source/row_posix.cc
@@ -3457,6 +3457,7 @@
// Caveat - in 64 bit, movd is used with 64 bit gpr due to Mac gcc producing
// an error if movq is used. movd %%xmm0,%1
+LIBYUV_API
void ARGBAffineRow_SSE2(const uint8* src_argb, int src_argb_stride,
uint8* dst_argb, const float* uv_dudv, int width) {
intptr_t src_argb_stride_temp = src_argb_stride;