Make sp_rshd not available when WOLFSSL_SP_MATH in header. sp_rshd is not required by any wolfCrypt code. Fix sp_rshd comment on #endif Make sp_div publicly available in some WOLFSSL_SP_MATH builds. Delare sp_div for some WOLFSSL_SP_MATH builds. Fix test.c to compile with WOLFSL_SP_MATH and HAVE_VALGRIND.