submodule.c: report the submodule that an error occurs in

diff --git a/version.h b/version.h
index 6911a4f1558de0c0d0b880a5b859925869a3e86e..7c62e80577154d79bec050424945eb500d262a0f 100644 (file)
--- a/version.h
+++ b/version.h
@@ -2,6 +2,7 @@
 #define VERSION_H
 
 extern const char git_version_string[];
+extern const char git_built_from_commit_string[];
 
 const char *git_user_agent(void);
 const char *git_user_agent_sanitized(void);