FIX export ucix_for_each_section_type function (#357)

src/bacnet/basic/ucix/ucix.h

@@ -86,4 +86,10 @@ void ucix_del(
     const char *p,
     const char *s,
     const char *o);
+BACNET_STACK_EXPORT
+void ucix_for_each_section_type(struct uci_context *ctx,
+    const char *p,
+    const char *t,
+    void (*cb)(const char *, void *),
+    void *priv);
 #endif