Fix mismatched setting name

spec/workspace-view-spec.coffee

@@ -287,6 +287,20 @@ describe "WorkspaceView", ->
       expect(atom.workspaceView.getActivePaneView().getItems()).toHaveLength 0
       expect(atom.workspaceView.getPaneViews()).toHaveLength 1
 
+    it "closes the window after the last pane is closed if closeWindowAfterLastItem is true", ->
+      atom.config.set('core.closeWindowAfterLastItem', true)
+      atom.workspaceView.trigger('core:close')
+      spyOn(atom, 'close')
+      expect(atom.close).toHaveBeenCalled()
+
+    it "does not close the window after the last pane if closeWindowAfterLastItem is untrue", ->
+      atom.config.set('core.closeWindowAfterLastItem', false)
+      atom.workspaceView.trigger('core:close')
+      spyOn(atom, 'close')
+      expect(atom.close).not.toHaveBeenCalled()
+
+
+
   describe "the scrollbar visibility class", ->
     it "has a class based on the style of the scrollbar", ->
       scrollbarStyle = require 'scrollbar-style'

src/workspace-view.coffee

@@ -72,6 +72,7 @@ class WorkspaceView extends View
     audioBeep: true
     destroyEmptyPanes: true
     useReactEditor: false
+    closeWindowAfterLastItem: true
 
   @content: ->
     @div class: 'workspace', tabindex: -1, =>
@@ -154,7 +155,15 @@ class WorkspaceView extends View
 
     @command 'pane:reopen-closed-item', => @getModel().reopenItem()
 
-    @command 'core:close', => if @getModel().getActivePaneItem()? then @destroyActivePaneItem() else @destroyActivePane()
+    @command 'core:close', =>
+      if @getModel().getActivePaneItem()?
+         @destroyActivePaneItem()
+      else
+         @destroyActivePane()
+
+      if atom.config.get('core.closeWindowAfterLastItem') and not @getModel().getActivePaneItem()
+        atom.close()
+
     @command 'core:save', => @saveActivePaneItem()
     @command 'core:save-as', => @saveActivePaneItemAs()