fix code formatting

Author: StevenArzt

src/main/java/soot/toolkits/graph/pdg/HashMutablePDG.java

@@ -197,8 +197,8 @@ protected void constructPDG() {
           Block b = bItr.next();
 
           if (b.equals(a)) {
-            //throw new RuntimeException("PDG construction: A and B are not supposed to be the same node!");
-        	continue;
+            // throw new RuntimeException("PDG construction: A and B are not supposed to be the same node!");
+            continue;
           }
 
           DominatorNode<Block> aDode = pdom.getDode(a);
@@ -431,15 +431,14 @@ protected void constructPDG() {
                   while (succItr.hasNext()) {
                     PDGNode succRPDGNode = succItr.next();
 
-                   // assert (succRPDGNode.getType() == PDGNode.Type.REGION);
+                    // assert (succRPDGNode.getType() == PDGNode.Type.REGION);
                     Block h = null;
                     if (succRPDGNode.getType() == PDGNode.Type.REGION) {
                       Region succR = (Region) succRPDGNode.getNode();
                       h = succR.getBlocks().get(0);
                     } else {
                       continue;
                     }
-                    
 
                     DominatorNode<Block> hdode = dom.getDode(h);
                     DominatorNode<Block> adode = dom.getDode(a);