Use C++14 so we have make_unique

CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.13)
 
 project(magicseteditor)
 
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
 
 find_package(wxWidgets 3 REQUIRED COMPONENTS core base net html)

src/util/smart_ptr.hpp

@@ -21,6 +21,7 @@ using std::unique_ptr;
 using std::static_pointer_cast;
 using std::dynamic_pointer_cast;
 using std::make_shared;
+using std::make_unique;
 
 // TODO: remove scoped_ptr
 template <typename T> using scoped_ptr = unique_ptr<T>;