Rename the Hooks directory variable.

Renamed so it won't be confused with the already present GITFLOW_DIR variable, which holds the dorectory info of where the gitflow scripts are located.
Signed-off-by: Peter van der Does <peter@avirtualhome.com>
Signed-off-by: Vincent Driessen <vincent@3rdcloud.com>

gitflow-common

@@ -195,7 +195,7 @@ gitflow_load_settings() {
 	export MASTER_BRANCH=$(git config --get gitflow.branch.master)
 	export DEVELOP_BRANCH=$(git config --get gitflow.branch.develop)
 	export ORIGIN=$(git config --get gitflow.origin || echo origin)
-	export GITFLOW_DIR_HOOKS=$(git config --get gitflow.dir.main)$(git config --get gitflow.dir.hooks)
+	export GITFLOW_CONF_DIR_HOOKS=$(git config --get gitflow.dir.main)$(git config --get gitflow.dir.hooks)
 }
 
 #