MT#57432 field precision specifier '.*' expects argument of type 'int'

We have to manually cast the `->len` of type `size_t` to the `int` type,
when it's used for the printing of logs.

Change-Id: I7e116425aecf5ee7e39d8df868edc05b33581014

apps/dsm/mods/mod_redis/DRedisConnection.cpp

@@ -89,7 +89,7 @@ int DRedisConnection::handle_redis_reply(redisReply *reply, const char* _cmd) {
   case REDIS_REPLY_STRING:
     if (reply->len>=0) {
       if (cfg.full_logging) {
-	DBG("REDIS %s: str: %.*s\n", _cmd, reply->len, reply->str); 
+        DBG("REDIS %s: str: %.*s\n", _cmd, (int) reply->len, reply->str);
       }
     } break;
 
@@ -104,9 +104,7 @@ int DRedisConnection::handle_redis_reply(redisReply *reply, const char* _cmd) {
     };
     for (size_t i=0;i<reply->elements;i++) {
       switch(reply->element[i]->type) {
-      case REDIS_REPLY_ERROR: ERROR("REDIS %s ERROR: %.*s\n",
-				    _cmd, reply->element[i]->len,
-				    reply->element[i]->str);
+        case REDIS_REPLY_ERROR: ERROR("REDIS %s ERROR: %.*s\n", _cmd, (int) reply->element[i]->len, reply->element[i]->str);
 	return DB_E_WRITE;
 
       case REDIS_REPLY_INTEGER:
@@ -127,10 +125,9 @@ int DRedisConnection::handle_redis_reply(redisReply *reply, const char* _cmd) {
       case REDIS_REPLY_STATUS:
       case REDIS_REPLY_STRING:
 	if (cfg.full_logging) {
-	  if (reply->element[i]->len >= 0) {
-	    DBG("REDIS %s: %.*s\n", _cmd,
-		reply->element[i]->len, reply->element[i]->str); 
-	  }
+    if (reply->element[i]->len >= 0) {
+      DBG("REDIS %s: %.*s\n", _cmd, (int) reply->element[i]->len, reply->element[i]->str);
+    }
 	}
 	break;
       default: