Fix mismatched setting name

spec/workspace-view-spec.coffee

@@ -288,13 +288,13 @@ describe "WorkspaceView", ->
       expect(atom.workspaceView.getPaneViews()).toHaveLength 1
 
     it "closes the window after the last pane is closed if closeWindowAfterLastItem is true", ->
-      atom.config.set('core.closeWindowAfterLastPane', 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.closeWindowAfterLastPane', false)
+      atom.config.set('core.closeWindowAfterLastItem', false)
       atom.workspaceView.trigger('core:close')
       spyOn(atom, 'close')
       expect(atom.close).not.toHaveBeenCalled()

src/workspace-view.coffee

@@ -160,7 +160,9 @@ class WorkspaceView extends View
          @destroyActivePaneItem()
       else
          @destroyActivePane()
-      atom.close() if atom.config.get('core.closeWindowAfterLastPane')
+
+      if atom.config.get('core.closeWindowAfterLastItem') and not @getModel().getActivePaneItem()
+        atom.close()
 
     @command 'core:save', => @saveActivePaneItem()
     @command 'core:save-as', => @saveActivePaneItemAs()