[bug#63346] [PATCH] Makefile.am: Use --add flag to "git config".

[Mekeor Melire]

Without the "--add" flag to "git config include.path ...", the command fails
if the user already has a configuration entry of "include.path".
---
 Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index 8af69f88ac..13718e4353 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1121,7 +1121,7 @@ cuirass-jobs: $(GOBJECTS)
 
 .git/config: etc/git/gitconfig
        $(AM_V_at)if command -v git >/dev/null && test -d .git; then \
-       git config include.path ../etc/git/gitconfig; \
+       git config --add include.path ../etc/git/gitconfig; \
        fi
 
 nodist_noinst_DATA = .git/hooks/pre-push .git/config

base-commit: fccb48d2cec6bcf47647c82914f31e2dff617f9c
-- 
2.39.2