Add comment about xinitrc logic. Do double fork.

Thanks eidolon for the hint.

dwmstatus-restart

@@ -9,8 +9,15 @@ fi
 
 if [ -e $HOME/.xinitrc ];
 then
-	cat $HOME/.xinitrc | grep dwmstatus | sh
+	# In case some .xinitrc exists, do try to run dwmstatus as people
+	# run it in their .xinitrc. This is in case some error
+	# redirection is done or logging.
+	{
+		grep dwmstatus $HOME/.xinitrc | sh
+	} &
 else
+	{
 		dwmstatus &
+	} &
 fi