Update LibTomMath to 1.2.0 (#84) * update C files * update other files * update headers * update makefiles * remove mp_set/get_double() * use ltm 1.2.0 API * update ltm_desc * use bundled tommath if system-tommath is too old * XMALLOC etc. were changed to MP_MALLOC etc.

#include "fuzz.h"

int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
	return fuzz_run_preauth(Data, Size, 0);
}