Add a patch to fix CVE-2010-0421, DoS security fix.

Bump PKGREVISION.


(taca)

@@ -1,7 +1,7 @@
-# $NetBSD: Makefile,v 1.140 2010/02/21 23:51:25 tron Exp $
+# $NetBSD: Makefile,v 1.141 2010/03/27 15:59:33 taca Exp $
 
 DISTNAME=		pango-1.26.2
-PKGREVISION=		1
+PKGREVISION=		2
 CATEGORIES=		devel fonts
 MASTER_SITES=		${MASTER_SITE_GNOME:=sources/pango/1.26/}
 EXTRACT_SUFX=		.tar.bz2

@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.82 2010/02/21 23:51:25 tron Exp $
+$NetBSD: distinfo,v 1.83 2010/03/27 15:59:33 taca Exp $
 
 SHA1 (pango-1.26.2.tar.bz2) = 051b6f7b5f98a4c8083ef6a5178cb5255a992b98
 RMD160 (pango-1.26.2.tar.bz2) = 6613bddf643d5c912e6656d84c6671aa6ce88a9d
@@ -6,3 +6,4 @@
 SHA1 (patch-aa) = 1a87d055dc722eff28517a11d0832ae19df5eb59
 SHA1 (patch-ab) = 12c09b12ba31be19fa0d602f89909811e6221bd8
 SHA1 (patch-ae) = 9eb458be84f6dfce27fb469d45cc78e34acd9c36
+SHA1 (patch-am) = dc7387b4da24356a56ab8d07ef0462b6f4b3b209

$NetBSD: patch-am,v 1.1 2010/03/27 15:59:34 taca Exp $

Fix for CVE-2010-0421.

--- pango/opentype/hb-ot-layout.cc.orig	2009-11-26 00:44:17.000000000 +0000
+++ pango/opentype/hb-ot-layout.cc
@@ -44,6 +44,8 @@ _hb_ot_layout_init (hb_face_t *face)
 {
   hb_ot_layout_t *layout = &face->ot_layout;
 
+  memset (layout, 0, sizeof (*layout));
+
   layout->gdef_blob = Sanitizer<GDEF>::sanitize (hb_face_get_table (face, HB_OT_TAG_GDEF));
   layout->gdef = &Sanitizer<GDEF>::lock_instance (layout->gdef_blob);
 
@@ -293,7 +295,7 @@ hb_ot_layout_build_glyph_classes (hb_fac
     return;
 
   if (layout->new_gdef.len == 0) {
-    layout->new_gdef.klasses = (unsigned char *) calloc (num_total_glyphs, sizeof (unsigned char));
+    layout->new_gdef.klasses = (unsigned char *) calloc (count, sizeof (unsigned char));
     layout->new_gdef.len = count;
   }