Use system freeaddrinfo (since we are using system getaddrinfo)

Change-Id: If8178a298cbed70a678bb098861c5246010be684
diff --git a/fuchsia-config/config.h b/fuchsia-config/config.h
index 9123dd5..8bbe31e 100644
--- a/fuchsia-config/config.h
+++ b/fuchsia-config/config.h
@@ -94,7 +94,7 @@
 #undef HAVE_FORK
 
 /* Define to 1 if you have the `freeaddrinfo' function. */
-#undef HAVE_FREEADDRINFO
+#define HAVE_FREEADDRINFO
 
 /* Define to 1 if you have the `gai_strerror' function. */
 #define HAVE_GAI_STRERROR