Add casting to match printf format.

adjustOpenFilesLimit() and clusterUpdateSlotsWithConfig() that were
assuming uint64_t is the same as unsigned long long, which is true
probably for all the systems out there that we target, but still GCC
emitted a warning since technically they are two different types.

src/cluster.c

@@ -1178,8 +1178,9 @@ void clusterUpdateSlotsConfigWith(clusterNode *sender, uint64_t senderConfigEpoc
                         "I've still keys about this slot! "
                         "Putting the slot in IMPORTING state. "
                         "Please run the 'redis-trib fix' command.",
-                        j, sender->name, senderConfigEpoch,
-                        myself->configEpoch);
+                        j, sender->name,
+                        (unsigned long long) senderConfigEpoch,
+                        (unsigned long long) myself->configEpoch);
                     server.cluster->importing_slots_from[j] = sender;
                 }
 

src/redis.c

@@ -1555,24 +1555,28 @@ void adjustOpenFilesLimit(void) {
                     redisLog(REDIS_WARNING,"Your current 'ulimit -n' "
                         "of %llu is not enough for Redis to start. "
                         "Please increase your open file limit to at least "
-                        "%llu. Exiting.", oldlimit, maxfiles);
+                        "%llu. Exiting.",
+                        (unsigned long long) oldlimit,
+                        (unsigned long long) maxfiles);
                     exit(1);
                 }
                 redisLog(REDIS_WARNING,"You requested maxclients of %d "
                     "requiring at least %llu max file descriptors.",
-                    old_maxclients, maxfiles);
+                    old_maxclients,
+                    (unsigned long long) maxfiles);
                 redisLog(REDIS_WARNING,"Redis can't set maximum open files "
                     "to %llu because of OS error: %s.",
-                    maxfiles, strerror(setrlimit_error));
+                    (unsigned long long) maxfiles, strerror(setrlimit_error));
                 redisLog(REDIS_WARNING,"Current maximum open files is %llu. "
                     "maxclients has been reduced to %d to compensate for "
                     "low ulimit. "
                     "If you need higher maxclients increase 'ulimit -n'.",
-                    oldlimit, server.maxclients);
+                    (unsigned long long) oldlimit, server.maxclients);
             } else {
                 redisLog(REDIS_NOTICE,"Increased maximum number of open files "
                     "to %llu (it was originally set to %llu).",
-                    maxfiles, oldlimit);
+                    (unsigned long long) maxfiles,
+                    (unsigned long long) oldlimit);
             }
         }
     }