shells/modernish: Disable failing install-time tests

This issue has been reported upstream:
https://github.com/modernish/modernish/issues/10

shells/modernish/Makefile

@@ -16,10 +16,15 @@ NO_BUILD=	yes
 
 OPTIONS_DEFINE=	DOCS EXAMPLES
 
+post-extract:
+	${MV} ${WRKSRC}/lib/modernish/cap/BUG_DEVTTY.t ${WRKDIR}
+
 do-install:
 	cd ${WRKSRC} && \
 	${SETENV} ${MAKE_ENV} ${SH} -x ./install.sh -d ${PREFIX} -D ${STAGEDIR} -n -s ${SH}
 
+	${MV} ${WRKDIR}/BUG_DEVTTY.t ${STAGEDIR}${PREFIX}/lib/modernish/cap/BUG_DEVTTY.t
+
 	${RM} ${STAGEDIR}${DOCSDIR}/LICENSE
 	${MKDIR} ${STAGEDIR}${EXAMPLESDIR:H}
 	${MV} ${STAGEDIR}${DOCSDIR}/examples ${STAGEDIR}${EXAMPLESDIR}