config: write to $XDG_CONFIG_HOME/git/config file when appropriate

diff --git a/version.h b/version.h
index 8d6c413398ce5f3c1236fa5f0187f27ddfb6256a..fd9cdd6316a17d3dfdc0976e668d26f7854fb181 100644 (file)
--- a/version.h
+++ b/version.h
@@ -3,4 +3,6 @@
 
 extern const char git_version_string[];
 
+const char *git_user_agent(void);
+
 #endif /* VERSION_H */