Merge pull request #4011 from zhaowenlan1779/cmake-warning

citra_qt/CMakeLists: get rid of a warning

src/citra_qt/CMakeLists.txt

@@ -2,6 +2,9 @@ set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTORCC ON)
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/CMakeModules)
+if (POLICY CMP0071)
+    cmake_policy(SET CMP0071 NEW)
+endif()
 
 add_executable(citra-qt
     Info.plist