Bug 310321 - fix path update logic for nonmarkable objects. r=scooter

layout/svg/base/src/nsSVGPathGeometryFrame.cpp

@@ -1019,14 +1019,15 @@ void nsSVGPathGeometryFrame::UpdateGraphic(PRUint32 flags,
           mMarkerRegion = GetCoveredRegion();
           if (mMarkerRegion)
             outerSVGFrame->InvalidateRegion(mMarkerRegion, PR_TRUE);
-        } else {
+          return;
+        }
+      }
+
       if (dirty_region)
         outerSVGFrame->InvalidateRegion(dirty_region, PR_TRUE);
     }
   }
 }
-  }
-}
 
 nsISVGOuterSVGFrame *
 nsSVGPathGeometryFrame::GetOuterSVGFrame()