Fix missing inserted = true in check_for_duplicates_fast

Author: Megamouse

rpcs3/Emu/RSX/Common/surface_store.h

@@ -678,6 +678,7 @@ namespace rsx
 						}
 
 						m_ranges.insert(pos, this_range);
+						inserted = true;
 						break;
 					}
 				}