gnu: hubbub: Fix build.

* gnu/packages/web.scm (hubbub)[source]: Add patch.
* gnu/packages/patches/hubbub-maybe-uninitialized.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

Signed-off-by: Andreas Enge <andreas@enge.fr>

gnu/local.mk

@@ -58,6 +58,7 @@
 # Copyright © 2022 jgart <jgart@dismail.de>
 # Copyright © 2023 Zheng Junjie <873216071@qq.com>
 # Copyright © 2023 Ivana Drazovic <iv.dra@hotmail.com>
+# Copyright © 2023 Andy Tai <atai@atai.org>
 #
 # This file is part of GNU Guix.
 #
@@ -1352,6 +1353,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/http-parser-CVE-2020-8287.patch		\
   %D%/packages/patches/htslib-for-stringtie.patch		\
   %D%/packages/patches/hubbub-sort-entities.patch		\
+  %D%/packages/patches/hubbub-maybe-uninitialized.patch         \
   %D%/packages/patches/hueplusplus-mbedtls.patch		\
   %D%/packages/patches/hurd-add-without-rump-configure-option.patch \
   %D%/packages/patches/hurd-fix-types-of-read-write-and-readables-methods-2.patch \

gnu/packages/patches/hubbub-maybe-uninitialized.patch

@@ -0,0 +1,40 @@
+From 69d81a8a4d4c223aad67cde0fdf64d64351b9802 Mon Sep 17 00:00:00 2001
+From: Andy Tai <atai@atai.org>
+Date: Sat, 27 May 2023 00:01:34 -0700
+Subject: [PATCH] prevent -Werror=maybe-uninitialized build failure with gcc 11
+ when building tests tokeniser2 and tokeniser3
+
+---
+ test/tokeniser2.c | 2 +-
+ test/tokeniser3.c | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/test/tokeniser2.c b/test/tokeniser2.c
+index c8ab9c0..4caae38 100644
+--- a/test/tokeniser2.c
++++ b/test/tokeniser2.c
+@@ -438,7 +438,7 @@ hubbub_error token_handler(const hubbub_token *token, void *pw)
+ 			/* Expected token only contained part of the data
+ 			 * Calculate how much is left, then try again with
+ 			 * the next expected token */
+-			hubbub_token t;
++			hubbub_token t = { 0 };
+ 
+ 			t.type = HUBBUB_TOKEN_CHARACTER;
+ 			t.data.character.ptr += len;
+diff --git a/test/tokeniser3.c b/test/tokeniser3.c
+index e33d018..b3be901 100644
+--- a/test/tokeniser3.c
++++ b/test/tokeniser3.c
+@@ -447,7 +447,7 @@ hubbub_error token_handler(const hubbub_token *token, void *pw)
+ 			/* Expected token only contained part of the data
+ 			 * Calculate how much is left, then try again with
+ 			 * the next expected token */
+-			hubbub_token t;
++			hubbub_token t = { 0 };
+ 
+ 			t.type = HUBBUB_TOKEN_CHARACTER;
+ 			t.data.character.ptr += len;
+-- 
+2.40.1
+

gnu/packages/web.scm

@@ -5242,7 +5242,9 @@ C.  It is developed as part of the NetSurf project.")
        (sha256
         (base32
          "1dimfyblmym98qa1b80c5jslv2zk8r44xbdrgrsrw1n9wr9y4yly"))
-       (patches (search-patches "hubbub-sort-entities.patch"))))
+       (patches (search-patches
+         "hubbub-sort-entities.patch"
+         "hubbub-maybe-uninitialized.patch"))))
     (build-system gnu-build-system)
     (native-inputs
      (list netsurf-buildsystem