hedgewars-engine (rust): fix "protocol_version" -> "hedgewars_engine_protocol_version"
That function/symbol was renamed in ef2fc0210362
find_package(SDL REQUIRED)
find_package(SDL_net REQUIRED)
find_package(ZLIB REQUIRED)
add_definitions("-std=c99")
file(GLOB frontlib_src
*.c *.h
base64/*.c base64/*.h
ipc/*.c ipc/*.h
md5/*.c md5/*.h
model/*.c model/*.h
net/*.c net/*.h
util/*.c util/*.h
)
include_directories(${SDL_INCLUDE_DIR})
include_directories(${SDLNET_INCLUDE_DIR})
include_directories(${ZLIB_INCLUDE_DIR})
add_library(frontlib STATIC ${frontlib_src})