githooks documentation: add a note about the +x mode

diff --git a/git-gui/GIT-VERSION-GEN b/git-gui/GIT-VERSION-GEN
index cfe46a857e5fd319fa6eb49474ddbb37bd47c537..4e709ebe776f722ff5509c8bf1b9cfaf9d7923b4 100755 (executable)
--- a/git-gui/GIT-VERSION-GEN
+++ b/git-gui/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=0.9.GITGUI
+DEF_VER=0.11.GITGUI
 
 LF='
 '