Re-indent lines.

Re-indent lines after applying patch to add no-fork option.

Signed-off-by: Philipp Hahn <hahn@xxxxxxxxxxxxx>
--- xen-4.0.1.orig/tools/blktap2/drivers/tapdisk2.c	2010-08-25 12:22:07.000000000 +0200
+++ xen-4.0.1/tools/blktap2/drivers/tapdisk2.c	2011-06-17 17:37:35.000000000 +0200
@@ -443,10 +443,10 @@ main(int argc, char *argv[])
 		usage(argv[0], EINVAL);
 
 	if (do_fork) {
-	if (pipe(channel) == -1) {
-		printf("pipe failed: %d\n", errno);
-		return errno;
-	}
+		if (pipe(channel) == -1) {
+			printf("pipe failed: %d\n", errno);
+			return errno;
+		}
 	} else {
 		channel[0] = dup(STDIN_FILENO);
 		channel[1] = dup(STDERR_FILENO);