From cdc44b74f2d8d353d0beab7e73bfa8bbf916151c Mon Sep 17 00:00:00 2001
From: Quietust <quietust@gmail.com>
Date: Sat, 24 Nov 2012 10:36:32 -0600
Subject: [PATCH] Fix possible crash when using shift+enter on cells that don't
 have labors

---
 plugins/manipulator.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/manipulator.cpp b/plugins/manipulator.cpp
index 57c9390bb..d8b44f657 100644
--- a/plugins/manipulator.cpp
+++ b/plugins/manipulator.cpp
@@ -842,7 +842,7 @@ void viewscreen_unitlaborsst::feed(set<df::interface_key> *events)
     {
         df::unit *unit = cur->unit;
         const SkillColumn &col = columns[input_column];
-        bool newstatus = !unit->status.labors[col.labor];
+        bool newstatus = (col.labor == unit_labor::NONE) ? true : !unit->status.labors[col.labor];
         for (int i = 0; i < NUM_COLUMNS; i++)
         {
             if (columns[i].group != col.group)