Fixed compiler warnings (#9337)

Fixed compiler warnings

database/engine/metadata_log/metadatalog.c

@@ -285,6 +285,7 @@ void metalog_worker(void* arg)
     struct metalog_cmd cmd;
     unsigned cmd_batch_size;
 
+    sanity_check();
     metalog_init_cmd_queue(wc);
 
     loop = wc->loop = mallocz(sizeof(uv_loop_t));

database/rrddim.c

@@ -460,6 +460,9 @@ RRDDIM *rrddim_add_custom(RRDSET *st, const char *id, const char *name, collecte
 
 void rrddim_free_custom(RRDSET *st, RRDDIM *rd, int db_rotated)
 {
+#ifndef ENABLE_ACLK
+    UNUSED(db_rotated);
+#endif
     debug(D_RRD_CALLS, "rrddim_free() %s.%s", st->name, rd->name);
 
     if (!rrddim_flag_check(rd, RRDDIM_FLAG_ARCHIVED)) {
@@ -495,7 +498,7 @@ void rrddim_free_custom(RRDSET *st, RRDDIM *rd, int db_rotated)
     // free(rd->annotations);
 
     RRD_MEMORY_MODE rrd_memory_mode = rd->rrd_memory_mode;
-    switch(rd->rrd_memory_mode) {
+    switch(rrd_memory_mode) {
         case RRD_MEMORY_MODE_SAVE:
         case RRD_MEMORY_MODE_MAP:
         case RRD_MEMORY_MODE_RAM:

database/rrdset.c

@@ -413,7 +413,9 @@ void rrdset_save(RRDSET *st) {
 
 void rrdset_delete_custom(RRDSET *st, int db_rotated) {
     RRDDIM *rd;
-
+#ifndef ENABLE_ACLK
+    UNUSED(db_rotated);
+#endif
     rrdset_check_rdlock(st);
 
     info("Deleting chart '%s' ('%s') from disk...", st->id, st->name);