updated for version 7.4.238
Problem:    Vim does not support the smack library.
Solution:   Add smack support (Jose Bollo)
diff --git a/src/config.h.in b/src/config.h.in
index 10f3476..7f16e62 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -191,6 +191,7 @@
 #undef HAVE_SIGSETJMP
 #undef HAVE_SIGSTACK
 #undef HAVE_SIGVEC
+#undef HAVE_SMACK
 #undef HAVE_STRCASECMP
 #undef HAVE_STRERROR
 #undef HAVE_STRFTIME