EXT-8082 FIXED Fixed viewer crash in outfit list accordion.

Details:
1 Avoided memory leak of LLAccordionCtrlTab in LLOutfitsList::refreshList method.
2 Provided resetting selection in LLAccordionCtrl::removeCollapsibleCtrl method.

reviewed by Vadim Savchuk at https://codereview.productengine.com/secondlife/r/701/

--HG--
branch : product-engine

indra/llui/llaccordionctrl.cpp

@@ -374,6 +374,12 @@ void LLAccordionCtrl::removeCollapsibleCtrl(LLView* view)
 			break;
 		}
 	}
+
+	// if removed is selected - reset selection
+	if (mSelectedTab == view)
+	{
+		mSelectedTab = NULL;
+	}
 }
 
 void	LLAccordionCtrl::initNoTabsWidget(const LLTextBox::Params& tb_params)

indra/newview/lloutfitslist.cpp

@@ -453,6 +453,12 @@ void LLOutfitsList::refreshList(const LLUUID& category_id)
 		{
 			// Remove accordion tab if category could not be added to observer.
 			mAccordion->removeCollapsibleCtrl(tab);
+
+			// kill removed tab
+			if (tab != NULL)
+			{
+				tab->die();
+			}
 			continue;
 		}
 
@@ -523,6 +529,12 @@ void LLOutfitsList::refreshList(const LLUUID& category_id)
 
 			// 4. Remove outfit tab from accordion.
 			mAccordion->removeCollapsibleCtrl(tab);
+
+			// kill removed tab
+			if (tab != NULL)
+			{
+				tab->die();
+			}
 		}
 	}