Back to use project name for CPack install dir

Otherwise it will break autoupdate for Windows users.

CMakeLists.txt

@@ -17,7 +17,7 @@ endif()
 
 set(CPACK_PACKAGE_VENDOR ${APPLICATION_NAME})
 set(CPACK_PACKAGE_EXECUTABLES ${EXECUTABLE_NAME} ${APPLICATION_NAME})
-set(CPACK_PACKAGE_INSTALL_DIRECTORY ${PROJECT_NAME})
+set(CPACK_PACKAGE_INSTALL_DIRECTORY ${APPLICATION_NAME})
 set(CPACK_PACKAGE_CONTACT genaloner@gmail.com)
 set(CPACK_RESOURCE_FILE_LICENSE ${CMAKE_CURRENT_SOURCE_DIR}/COPYING)
 set(CPACK_PROJECT_CONFIG_FILE ${CMAKE_CURRENT_SOURCE_DIR}/cmake/CPackProjectConfig.cmake)