Fix db_dump compilation.

Closes #1520.

src/db_dump/Makefile

@@ -15,6 +15,7 @@ OBJS = \
  send_disconnect.o \
  stubs.o \
  time_mosq.o \
+ topic_tok.o \
  utf8_mosq.o
 
 .PHONY: all clean reallyclean
@@ -63,6 +64,9 @@ send_disconnect.o : ../../lib/send_disconnect.c
 time_mosq.o : ../../lib/time_mosq.c
  ${CROSS_COMPILE}${CC} $(CFLAGS_FINAL) -c $< -o $@
 
+topic_tok.o : ../../src/topic_tok.c
+ ${CROSS_COMPILE}${CC} $(CFLAGS_FINAL) -c $< -o $@
+
 utf8_mosq.o : ../../lib/utf8_mosq.c
  ${CROSS_COMPILE}${CC} $(CFLAGS_FINAL) -c $< -o $@
 

src/db_dump/stubs.c

@@ -14,6 +14,9 @@ int db__message_store(struct mosquitto_db *db, const struct mosquitto *source, u
  return 0;
 }
 
+void db__msg_store_ref_inc(struct mosquitto_msg_store *store)
+{
+}
 
 int handle__packet(struct mosquitto_db *db, struct mosquitto *context)
 {
@@ -41,6 +44,11 @@ FILE *mosquitto__fopen(const char *path, const char *mode, bool restrict_read)
  return NULL;
 }
 
+enum mosquitto_client_state mosquitto__get_state(struct mosquitto *mosq)
+{
+ return mosq_cs_new;
+}
+
 void *mosquitto__malloc(size_t len)
 {
  return malloc(len);
@@ -61,12 +69,12 @@ ssize_t net__write(struct mosquitto *mosq, void *buf, size_t count)
  return 0;
 }
 
-int sub__add(struct mosquitto_db *db, struct mosquitto *context, const char *sub, int qos, uint32_t identifier, int options, struct mosquitto__subhier **root)
+int retain__store(struct mosquitto_db *db, const char *topic, struct mosquitto_msg_store *stored, char **split_topics)
 {
  return 0;
 }
 
-int sub__messages_queue(struct mosquitto_db *db, const char *source_id, const char *topic, int qos, int retain, struct mosquitto_msg_store **stored)
+int sub__add(struct mosquitto_db *db, struct mosquitto *context, const char *sub, int qos, uint32_t identifier, int options, struct mosquitto__subhier **root)
 {
  return 0;
 }