[binutils-gdb] autoupdate: replace old version of AC_INIT by the new one

[Alan Modra]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=28ea7ae220a0343ff7fe531ec761bd77d00dcb1c

commit 28ea7ae220a0343ff7fe531ec761bd77d00dcb1c
Author: Matthieu Longo <matthieu.longo@arm.com>
Date:   Tue May 28 10:49:45 2024 +0100

    autoupdate: replace old version of AC_INIT by the new one
    
    - old AC_INIT by AC_INIT + AC_CONFIG_SRC_DIR
      https://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.72/autoconf.html#index-AC_005fINIT-3

Diff:
---
 configure.ac | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 9f69d46e324..326d469c0c6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,7 +32,8 @@ m4_include([ltversion.m4])
 m4_include([lt~obsolete.m4])
 m4_include([config/isl.m4])
 
-AC_INIT(move-if-change)
+AC_INIT
+AC_CONFIG_SRCDIR([move-if-change])
 AC_DISABLE_OPTION_CHECKING
 
 progname=$0