Improve the error message the script produces if no astyle was found.

diff --git a/contrib/utilities/indent b/contrib/utilities/indent
index 90ef508f653362abeff082cf3ac69ca78e79272f..f1b9150af7060f105b300ebc288d7c8b189df10c 100755 (executable)
--- a/contrib/utilities/indent
+++ b/contrib/utilities/indent
@@ -26,6 +26,10 @@ fi
 
 if test -z "`which astyle`" ; then
   echo "*** No astyle program found."
+  echo "***"
+  echo "*** You can download astyle from http://astyle.sourceforge.net/"
+  echo "*** Note that you will need exactly version 2.04 (no newer or"
+  echo "*** older version will yield the correct indentation)."
   exit
 fi