bug in sawfish autogen.sh

[Mark Diekhans <markd kermodei com>]

Sawfish autogen.sh doesn't check for intltoolize failing.  Here
is the patch:

--- autogen.sh.org	2009-02-02 00:09:41.000000000 -0800
+++ autogen.sh	2009-02-02 00:09:50.000000000 -0800
@@ -26,7 +26,7 @@
     fi
   fi
   echo "Running intltoolize"
-  intltoolize --force --copy
+  intltoolize --force --copy || exit 1
   echo "Running aclocal $ACLOCAL_FLAGS"
   aclocal -I m4 -I /usr/share/aclocal/ $ACLOCAL_FLAGS || exit 1