create_snapshot(): use `xmemdupz()` rather than a strbuf

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 5a6193ad97fa1693fc72a0b91171586a347b8c0e..879178c550165c3b5c81db129f904758b904c808 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v2.12.5
+DEF_VER=v2.15.1
 
 LF='
 '