Git 2.40-rc2

Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 8708ad4..4383a64 100755
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v2.40.0-rc1
+DEF_VER=v2.40.0-rc2
 
 LF='
 '