Bug#1128763: links2: FTBFS with glibc 2.43 due to ISO C23 const return types

[Graham Inggs]

Control: tags -1 + patch

The attached patch from Fedora worked for me.

Description: Fix FTBFS with GCC 16
Bug-Debian: https://bugs.debian.org/1128763
Origin: vendor, https://src.fedoraproject.org/rpms/links/c/e1c0e9e73ba04d2512ea9307750bf0081f8379b7
Author: Filipe Rosset <rosset.fil...@gmail.com>
Last-Update: 2026-03-24

--- a/ftp.c
+++ b/ftp.c
@@ -768,7 +768,8 @@
 } while (0)
 		A(ftp_head);
 		ud = stracpy(get_url_data(c->url));
-		if (strchr(cast_const_char ud, POST_CHAR)) *strchr(cast_const_char ud, POST_CHAR) = 0;
+		char *p;
+		if ((p = (char *)strchr(cast_const_char ud, POST_CHAR))) *p = 0;
 		s0 = init_str();
 		s0l = 0;
 		add_conv_str(&s0, &s0l, ud, (int)strlen(cast_const_char ud), -1);