[build] Fix unportable test(1) operator
(thx Thomas Klausner)
@@ -674,7 +674,7 @@ AC_ARG_WITH([wolfssl],
AC_MSG_RESULT([$WITH_WOLFSSL])
if test "$WITH_WOLFSSL" != no; then
- if test "$WITH_WOLFSSL" == yes; then
+ if test "$WITH_WOLFSSL" = yes; then
WITH_WOLFSSL="/usr/local"
fi
