checks for no more room in block area

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@194157 13f79535-47bb-0310-9956-ffa450edef68

src/org/apache/fop/fo/flow/InstreamForeignObject.java

@@ -224,6 +224,9 @@ public class InstreamForeignObject extends FObj {
 		if (area instanceof BlockArea) {
             BlockArea ba = (BlockArea)area;
             LineArea la = ba.getCurrentLineArea();
+            if(la == null) {
+                return new Status(Status.AREA_FULL_NONE);
+            }
             la.addPending();
             if(areaCurrent.getEffectiveWidth() > la.getRemainingWidth()) {
                 la = ba.createNextLineArea();