Pullup ticket #6530 - requested by nia

www/firefox91: security fix

Revisions pulled up:
- www/firefox91/Makefile                                        1.8
- www/firefox91/PLIST                                           1.3
- www/firefox91/distinfo                                        1.6
- www/firefox91/patches/patch-modules_fdlibm_src_math__private.h 1.1

---
   Module Name:	pkgsrc
   Committed By:	nia
   Date:		Wed Nov  3 19:19:40 UTC 2021

   Modified Files:
   	pkgsrc/www/firefox91: Makefile PLIST distinfo
   Added Files:
   	pkgsrc/www/firefox91/patches: patch-modules_fdlibm_src_math__private.h

   Log Message:
   firefox91: update to 91.3.0

   Security Vulnerabilities fixed in Firefox ESR 91.3

       #CVE-2021-38503: iframe sandbox rules did not apply to XSLT stylesheets

       #CVE-2021-38504: Use-after-free in file picker dialog

       #CVE-2021-38506: Firefox could be coaxed into going into fullscreen mode
       without notification or warning

       #CVE-2021-38507: Opportunistic Encryption in HTTP2 could be used to bypass
       the Same-Origin-Policy on services hosted on other ports

       #MOZ-2021-0008: Use-after-free in HTTP2 Session object

       #CVE-2021-38508: Permission Prompt could be overlaid, resulting in user
       confusion and potential spoofing

       #CVE-2021-38509: Javascript alert box could have been spoofed onto an
       arbitrary domain

       #CVE-2021-38510: Download Protections were bypassed by .inetloc files on Mac
       OS

       #MOZ-2021-0007: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3

1 files changed, 18 insertions, 0 deletions

diff --git a/www/firefox91/patches/patch-modules_fdlibm_src_math__private.h b/www/firefox91/patches/patch-modules_fdlibm_src_math__private.h
new file mode 100644
index 00000000000..fba1609c5c1
--- /dev/null
+++ b/www/firefox91/patches/patch-modules_fdlibm_src_math__private.h
@@ -0,0 +1,18 @@
+$NetBSD: patch-modules_fdlibm_src_math__private.h,v 1.1.2.2 2021/11/05 19:28:53 bsiegert Exp $
+
+* Fix PR pkg/56457, build failure on NetBSD/i386.
+  Do not use FreeBSD-specific definition.
+
+--- modules/fdlibm/src/math_private.h.orig	2021-09-27 22:47:42.000000000 +0000
++++ modules/fdlibm/src/math_private.h
+@@ -30,8 +30,8 @@
+  * Adapted from https://github.com/freebsd/freebsd-src/search?q=__double_t
+  */
+ 
+-typedef double      __double_t;
+-typedef __double_t  double_t;
++#include <math.h>
++typedef double_t __double_t;
+ 
+ /*
+  * The original fdlibm code used statements like: