cmake LWS_HAVE_MALLOC_H examples

warmcat/libwebsockets CMakeLists.txt :684 

CHECK_C_SOURCE_COMPILES("#include <malloc.h>\nvoid main(void) { while(1) ; } void xxexit(void){}" LWS_HAVE_MALLOC_H)

c-jimenez/open-ocpp 3rdparty/libwebsockets/CMakeLists.txt :648 

CHECK_INCLUDE_FILE(malloc.h LWS_HAVE_MALLOC_H)

fluffos/fluffos src/thirdparty/libwebsockets/CMakeLists.txt :631 

CHECK_INCLUDE_FILE(malloc.h LWS_HAVE_MALLOC_H)