bug#79567: [PATCH] maint: pacify -Werror=trailing-whitespace

[Paul Eggert]

Thanks, I installed the attached. Belt and suspenders, I guess.
From ebfd80083b4fe4ae37f50bbc2fcf3cfaee50a248 Mon Sep 17 00:00:00 2001
From: Paul Eggert <egg...@cs.ucla.edu>
Date: Fri, 3 Oct 2025 17:04:01 -0700
Subject: [PATCH] maint: omit trailing white space in config.h
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* configure.ac (FORTIFY_SOURCE): Don’t indent a line
where the indentation can cause trailing white space in config.h.
Problem reported by Grisha Levit (Bug#79567).
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index a7432e0a7..1e51aba0e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -226,7 +226,7 @@ if test $gl_gcc_warnings != no; then
    #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
    # define _FORTIFY_SOURCE 2
    #endif
-  ])
+])
   AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
 
   # We use a slightly smaller set of warning options for lib/.
-- 
2.48.1