reset fontname at start of region

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@195095 13f79535-47bb-0310-9956-ffa450edef68

src/org/apache/fop/render/pdf/PDFRenderer.java

@@ -264,6 +264,7 @@ public class PDFRenderer extends PrintRenderer {
     protected void renderRegion(RegionReference region) {
         // Draw a rectangle so we can see it!
         // x=0,y=0,w=ipd,h=bpd
+        currentFontName = "";
         super.renderRegion(region);
     }