do some modify for supervisor run error

maybe you will find it, so i find it too, so i fix it. but not the best
solution way, and i am waiting the author will modify the start
scripts, and modify the gogs import conf way. i will update it when
next big version.

scripts/gogs_supervisord.sh

@@ -7,7 +7,7 @@ EXEPATH='/usr/bin/gogs_start'
 if [ ! -f $EXEPATH ]; then
     gogs_scripts_path=$(cd `dirname $0`; pwd)
     echo $gogs_scripts_path
-    sudo ln -s $gogs_scripts_path'/start.sh' /usr/bin/gogs_start
+    sudo ln -s $gogs_scripts_path'/start_for_supervisord.sh' /usr/bin/gogs_start
 fi
 
 LOGDIR="log"

scripts/start_for_supervisord.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+IFS='
+	'
+PATH=/bin:/usr/bin:/usr/local/bin
+USER=$(whoami)
+HOME=$(grep "^$USER:" /etc/passwd | cut -d: -f6)
+export USER HOME PATH
+
+cd "$HOME/gogs" && exec ./gogs web