submodule update: consistently document the '--checkout' option

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index d801493b23d389662b5f1fa11e0cde1b3468a614..0ec4d003fa44f3b34613daa9c558466222c8a8e4 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v1.8.4.2
+DEF_VER=v1.8.5.2
 
 LF='
 '