Do not require that .git be a directory

Problem reportyed by Phillip Lord.
* admin/update_autogen, autogen.sh, build-aux/gitlog-to-emacslog:
* configure.ac, make-dist:
Do not require that .git be a directory, as 'git worktree' makes
it a file and not a directory.

1 files changed, 1 insertions, 1 deletions

diff --git a/build-aux/gitlog-to-emacslog b/build-aux/gitlog-to-emacslog
index 5c187f5eae..6b9cfc145b 100755
--- a/build-aux/gitlog-to-emacslog
+++ b/build-aux/gitlog-to-emacslog
@@ -68,7 +68,7 @@ if [ -f "$output" ]; then
 fi
 
 # If this is not a Git repository, just generate an empty ChangeLog.
-test -d .git || {
+test -e .git || {
   >"$output"
   exit
 }