for exit code 2 using an external script, use AUTHOR_STATUS_ADD

This makes it actually work on switches in our case (BudgetEnergy)

@@ -2,7 +2,7 @@ Source: tacacs+
 Section: net
 Priority: extra
 Maintainer: Henry-Nicolas Tourneur <henry.nicolas@tourneur.be>
-Build-Depends: debhelper (>= 9), dpkg-dev (>= 1.16.2), autotools-dev, flex, m4, bison, libwrap0-dev, libpam0g-dev, quilt, hardening-wrapper, chrpath
+Build-Depends: debhelper (>= 9), dpkg-dev (>= 1.16.1), autotools-dev, flex, m4, bison, libwrap0-dev, libpam0g-dev, quilt, hardening-wrapper, chrpath
 Standards-Version: 3.9.3
 Homepage: http://www.shrubbery.net/tac_plus/
 

@@ -0,0 +1,13 @@
+Index: tacacs-plus/do_author.c
+===================================================================
+--- tacacs-plus.orig/do_author.c	2014-07-14 17:23:01.882703543 +0200
++++ tacacs-plus/do_author.c	2014-07-14 17:23:58.762705502 +0200
+@@ -252,7 +252,7 @@
+ 	/* and install the new set of AV pairs as output */
+ 	data->output_args = out_args;
+ 	data->num_out_args = out_cnt;
+-	data->status = AUTHOR_STATUS_PASS_REPL;
++	data->status = AUTHOR_STATUS_PASS_ADD;
+ 	return(1); /* no more processing required */
+ 
+     case 3: /* deny, but return attributes and server-msg to NAS */

@@ -1,2 +1,3 @@
 fix_hurd.patch
 extend_default_authentication.patch
+author-status-always-add.diff