[binutils-gdb] binutils: make x86-64/x86-64.exp work again by itself

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=618291699e276eb385d9b2dc687897534eacfa3e

commit 618291699e276eb385d9b2dc687897534eacfa3e
Author: Jan Beulich <[email protected]>
Date:   Fri May 22 08:46:29 2026 +0200

    binutils: make x86-64/x86-64.exp work again by itself
    
    The "exe" global is introduced only by some *.exp in the parent dir, which
    may not be run.

Diff:
---
 binutils/testsuite/binutils-all/x86-64/x86-64.exp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/binutils/testsuite/binutils-all/x86-64/x86-64.exp b/binutils/testsuite/binutils-all/x86-64/x86-64.exp
index 49ade490fb7..bb187b5805f 100644
--- a/binutils/testsuite/binutils-all/x86-64/x86-64.exp
+++ b/binutils/testsuite/binutils-all/x86-64/x86-64.exp
@@ -28,6 +28,8 @@ foreach t $test_list {
     run_dump_test [file rootname $t]
 }
 
+set exe [exeext]
+
 set t $srcdir/$subdir/pr26808.dwp.bz2
 # We need to strip the ".bz2", but can leave the dirname.
 set test $subdir/[file tail $t]