x11-toolkits/tktable: Fix build with llvm16

- Pet portclippy

Approved by:	portmgr (blanket)
Sponsored by:	The FreeBSD Foundation

x11-toolkits/tktable/Makefile

@@ -14,11 +14,18 @@ LICENSE_NAME=	Tcl/Tk License
 LICENSE_FILE=	${WRKSRC}/license.txt
 LICENSE_PERMS=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
-USES+=		tk:tea
+USES=		tk:tea
 TCL_PKG=	${DISTNAME}
 USE_LDCONFIG=	${PREFIX}/lib/${DISTNAME}
+
 TEST_TARGET=	test
 
+.include <bsd.port.options.mk>
+
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400091
+CFLAGS+=	-Wno-error=incompatible-function-pointer-types
+.endif
+
 post-patch:
 	@${REINPLACE_CMD} -e 's/FreeBSD-\*/FreeBSD-*|DragonFly-*/' \
 		${WRKSRC}/configure