Use SimpleFigure in Docx writer.

Author: argent0

src/Text/Pandoc/Writers/Docx.hs

@@ -852,7 +852,7 @@ blockToOpenXML' opts (Plain lst) = do
      then withParaProp prop block
      else block
 -- title beginning with fig: indicates that the image is a figure
-blockToOpenXML' opts (Para [Image attr alt (src,T.stripPrefix "fig:" -> Just tit)]) = do
+blockToOpenXML' opts (SimpleFigure attr alt (src, tit)) = do
   setFirstPara
   prop <- pStyleM $
         if null alt