bug fix for exceptionLocal == null case

git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@1099 379699f6-c40d-0410-875b-85095c16579e

jode/jode/flow/CatchBlock.java.in

@@ -145,6 +145,7 @@ public class CatchBlock extends StructuredBlock {
 	 * If we are unlucky the exceptionLocal is used outside of 
 	 * this block.  In that case we do a transformation.
 	 */
+	if (exceptionLocal != null) {
 	    if (declare.contains(exceptionLocal))
 		declare.remove(exceptionLocal);
 	    else {
@@ -161,6 +162,7 @@ public class CatchBlock extends StructuredBlock {
 		exceptionLocal = dummyLocal;
 	    }
 	}
+    }
 
     public void dumpInstruction(jode.decompiler.TabbedPrintWriter writer) 
         throws java.io.IOException {