shadow: merge upstream change to signal auth fail in su

shadow/.md5sum

@@ -1,3 +1,4 @@
 05a85f1ea6bf26aec66a91b5f98a51b0  login.defs
 be8f69c2701118093af3d7f3bc02af16  pwck
 3d26d990d4c3add1b7f8387eec1d1fde  shadow-4.1.2.2.tar.bz2
+f168a51db199db398b3c815aa20a3ed3  shadow-su-warning.diff

shadow/Pkgfile

@@ -4,13 +4,13 @@
 
 name=shadow
 version=4.1.2.2
-release=1
+release=2
 source=(ftp://pkg-shadow.alioth.debian.org/pub/pkg-shadow/$name-$version.tar.bz2
-        pwck login.defs)
+        pwck login.defs shadow-su-warning.diff)
 
 build() {
     cd $name-$version
-
+    patch -p2 -i $SRC/shadow-su-warning.diff
     ./configure --prefix=/usr \
                 --mandir=/usr/man \
                 --sysconfdir=/etc \

shadow/shadow-su-warning.diff

@@ -0,0 +1,12 @@
+--- upstream/trunk/src/su.c	2008/09/06 12:51:53	2348
++++ upstream/trunk/src/su.c	2008/11/23 12:10:21	2461
+@@ -721,7 +721,8 @@
+ 	 */
+ 	if (!amroot && pw_auth (pwent.pw_passwd, name, PW_SU, (char *) 0)) {
+ 		SYSLOG ((pwent.pw_uid ? LOG_NOTICE : LOG_WARN,
+-			 "Authentication failed for %s", name));
++		         "Authentication failed for %s", name));
++		fprintf(stderr, _("%s: Authentication failure\n"), Prog);
+ 		su_failure (tty);
+ 	}
+ 	(void) signal (SIGQUIT, oldsig);