Attempt to fix wolfssl path on darwin

Author: danielinux

Makefile

@@ -9,6 +9,13 @@ ifeq ($(UNAME_S),FreeBSD)
 CFLAGS+=-I/usr/local/include
 LDFLAGS+=-L/usr/local/lib
 endif
+ifeq ($(UNAME_S),Darwin)
+WOLFSSL_PREFIX?=$(shell brew --prefix wolfssl 2>/dev/null)
+ifneq ($(WOLFSSL_PREFIX),)
+CFLAGS+=-I$(WOLFSSL_PREFIX)/include
+LDFLAGS+=-L$(WOLFSSL_PREFIX)/lib
+endif
+endif
 TAP_SRC:=src/port/posix/tap_$(UNAME_LC).c
 ifeq ($(wildcard $(TAP_SRC)),)
 TAP_SRC:=src/port/posix/tap_linux.c