Merged in maxim_productengine/viewer-neko_maint2 (pull request #707)

SL-10043 FIXED Viewer crashes when double-clicking 'For sale' parcel icon on World map in some cases

Approved-by: Andrey Lihatskiy <andreylproductengine@lindenlab.com>
Approved-by: Andrey Kleshchev <andreykproductengine@lindenlab.com>

indra/newview/llworldmapview.cpp

@@ -1751,9 +1751,12 @@ BOOL LLWorldMapView::handleDoubleClick( S32 x, S32 y, MASK mask )
 		case MAP_ITEM_LAND_FOR_SALE_ADULT:
 			{
 				LLVector3d pos_global = viewPosToGlobal(x, y);
-				LLSimInfo* info = LLWorldMap::getInstance()->simInfoFromPosGlobal(pos_global);
-				LLFloaterReg::hideInstance("world_map");
-				LLFloaterReg::showInstance("search", LLSD().with("category", "land").with("query", info->getName()));
+				std::string sim_name;
+				if (LLWorldMap::getInstance()->simNameFromPosGlobal(pos_global, sim_name))
+				{
+					LLFloaterReg::hideInstance("world_map");
+					LLFloaterReg::showInstance("search", LLSD().with("category", "land").with("query", sim_name));
+				}
 				break;
 			}
 		case MAP_ITEM_CLASSIFIED: