FSBUILD-221 fix several trivial warnings

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16041 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_limit/mod_limit.c

@@ -181,7 +181,7 @@ static switch_xml_config_item_t config_settings[] = {
 
 static switch_status_t do_config()
 {
-	switch_cache_db_handle_t *dbh;
+	switch_cache_db_handle_t *dbh = NULL;
 	switch_status_t status = SWITCH_STATUS_SUCCESS;
 	char *sql = NULL;
 	

src/mod/applications/mod_vmd/mod_vmd.c

@@ -314,7 +314,7 @@ static void find_beep(vmd_session_info_t * vmd_info, switch_frame_t * frame)
 
         if (c < (POINTS - MAX_CHIRP)) {
             vmd_info->state = BEEP_NOT_DETECTED;
-            if (vmd_info->timestamp < vmd_info->minTime) {
+            if (vmd_info->timestamp < (switch_size_t)vmd_info->minTime) {
                 break;
             }