Remove useless for(;;) loop

Change-Id: Ic9a7824cc178e92f44126acc8e77b0304b20ef4f
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>

org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RewriteGenerator.java

@@ -93,11 +93,10 @@ class RewriteGenerator extends Generator {
 	@Override
 	RevCommit next() throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
-		for (;;) {
 		final RevCommit c = source.next();
-			if (c == null)
+		if (c == null) {
 			return null;
-
+		}
 		boolean rewrote = false;
 		final RevCommit[] pList = c.parents;
 		final int nParents = pList.length;
@@ -109,11 +108,10 @@ class RewriteGenerator extends Generator {
 				rewrote = true;
 			}
 		}
-			if (rewrote)
+		if (rewrote) {
 			c.parents = cleanup(pList);
-
-			return c;
 		}
+		return c;
 	}
 
 	private RevCommit rewrite(RevCommit p) {