From 069d687670b194d48a5612a4e602baa096cef892 Mon Sep 17 00:00:00 2001
From: Matt McCormick <matt.mccormick@kitware.com>
Date: Wed, 23 Jan 2013 03:37:13 -0500
Subject: [PATCH] Fix RegistrationExercises argument parsing.

---
 Exercises/Registration/RegistrationExercises.cxx | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Exercises/Registration/RegistrationExercises.cxx b/Exercises/Registration/RegistrationExercises.cxx
index c39fc29..53c2bd9 100644
--- a/Exercises/Registration/RegistrationExercises.cxx
+++ b/Exercises/Registration/RegistrationExercises.cxx
@@ -68,10 +68,10 @@ class CommandIterationUpdate : public itk::Command
 
 int main( int argc, char *argv[] )
 {
-  if( argc < 4 )
+  if( argc < 5 )
     {
-    std::cout << argv[0] << " fixedImage movingImage outputImage numberIterations " << std::endl;
-    exit( 1 );
+    std::cerr << argv[0] << " fixedImage movingImage outputImage numberIterations " << std::endl;
+    return EXIT_FAILURE;
     }
 
   // Define what image dimension we will be working with and what type we