cmake LWS_HAVE_SYS_TYPES_H examples

warmcat/libwebsockets CMakeLists.txt :680 

CHECK_C_SOURCE_COMPILES("#include <sys/types.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_SYS_TYPES_H)

c-jimenez/open-ocpp 3rdparty/libwebsockets/CMakeLists.txt :644 

CHECK_INCLUDE_FILE(sys/types.h LWS_HAVE_SYS_TYPES_H)

fluffos/fluffos src/thirdparty/libwebsockets/CMakeLists.txt :627 

CHECK_INCLUDE_FILE(sys/types.h LWS_HAVE_SYS_TYPES_H)