Fix incorrect size of Beach theme icons
The icons had about double the required size. This caused a graphical glitch when selecting Beach and hand-drawn map.
find_package(SDL2 REQUIRED)include_directories(${SDL2_INCLUDE_DIR})include_directories(${PHYSFS_INCLUDE_DIR})include_directories(${LUA_INCLUDE_DIR})set(PHYSLAYER_SRCS physfscompat.c physfsrwops.c physfslualoader.c hwpacksmounter.c)#compiles and links actual libraryadd_library (physlayer ${PHYSLAYER_SRCS})set_target_properties(physlayer PROPERTIES VERSION 1.0 SOVERSION 1.0)target_link_libraries(physlayer ${SDL2_LIBRARY} lua physfs)install(TARGETS physlayer RUNTIME DESTINATION ${target_binary_install_dir} LIBRARY DESTINATION ${target_library_install_dir} ARCHIVE DESTINATION ${target_library_install_dir})get_target_property(physlayer_fullpath physlayer LOCATION)## added standard variables (FORCE or cmake won't pick 'em)set(PHYSLAYER_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR} CACHE STRING "Physlayer include dir" FORCE)set(PHYSLAYER_LIBRARY ${physlayer_fullpath} CACHE STRING "Physlayer library" FORCE)if(BUILD_ENGINE_JS) set_target_properties(physlayer PROPERTIES SUFFIX ".bc")endif()