sysutils/conky: Force linking against correct LUA

When multiple LUA versions are present conky could link against
version 5.3 but register dependency against version 5.2.

Try to force conky build system to actually link against the desired
version of the library.

Reported by:	Joachim Moskalewski <moskalewski@jmos.net>

sysutils/conky/Makefile

@@ -144,6 +144,15 @@ post-patch:
 		${WRKSRC}/cmake/ConkyPlatformChecks.cmake
 	@${REINPLACE_CMD} -e 's,LOCALBASE,${LOCALBASE},' \
 		${WRKSRC}/doc/docgen.sh
+.if ${LUA_DEFAULT} == 5.2
+	# Force using lua 5.2
+	@${REINPLACE_CMD} -e 's/lua.*5\.*3//' \
+		${WRKSRC}/cmake/ConkyPlatformChecks.cmake
+.elif ${LUA_DEFAULT} == 5.3
+	# Force using lua 5.3
+	@${REINPLACE_CMD} -e 's/lua.*5\.*2//' \
+		${WRKSRC}/cmake/ConkyPlatformChecks.cmake
+.endif
 
 post-build:
 	(cd ${WRKSRC}/doc && ${SH} docgen.sh)