photo: fix InputArray -> CvMat

modules/photo/src/inpaint.cpp

@@ -814,6 +814,7 @@ void cv::inpaint( InputArray _src, InputArray _mask, OutputArray _dst,
 
     Mat src = _src.getMat(), mask = _mask.getMat();
     _dst.create( src.size(), src.type() );
-    CvMat c_src = src, c_mask = mask, c_dst = _dst.getMat();
+    Mat dst = _dst.getMat();
+    CvMat c_src = src, c_mask = mask, c_dst = dst;
     cvInpaint( &c_src, &c_mask, &c_dst, inpaintRange, flags );
 }