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

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 9c203fb249ac7b1f20c850d50ad89c5d6e387e03..f6c7db07e63c0036d12dc3e0a655ab50758fb329 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v2.14.3
+DEF_VER=v2.16.4
 
 LF='
 '