Fix a couple of tabs that caused misindentation (redis#12541)

Fixed some usages of tabs which caused weird indentation in the code. Tried to find all of the places so their was one PR. I ignored all of the usages of tabs which don't really affect readability.

Author: madolson

src/cluster.c

@@ -2580,7 +2580,7 @@ uint32_t writePingExt(clusterMsg *hdr, int gossipcount)  {
             clusterMsgPingExtHumanNodename *ext = preparePingExt(cursor, CLUSTERMSG_EXT_TYPE_HUMAN_NODENAME, getHumanNodenamePingExtSize());
             memcpy(ext->human_nodename, myself->human_nodename, sdslen(myself->human_nodename));
 
-	    /* Move the write cursor */
+            /* Move the write cursor */
             cursor = nextPingExt(cursor);
         }
 
@@ -2646,7 +2646,7 @@ void clusterProcessPingExtensions(clusterMsg *hdr, clusterLink *link) {
         if (type == CLUSTERMSG_EXT_TYPE_HOSTNAME) {
             clusterMsgPingExtHostname *hostname_ext = (clusterMsgPingExtHostname *) &(ext->ext[0].hostname);
             ext_hostname = hostname_ext->hostname;
-	} else if (type == CLUSTERMSG_EXT_TYPE_HUMAN_NODENAME) {
+        } else if (type == CLUSTERMSG_EXT_TYPE_HUMAN_NODENAME) {
             clusterMsgPingExtHumanNodename *humannodename_ext = (clusterMsgPingExtHumanNodename *) &(ext->ext[0].human_nodename);
             ext_humannodename = humannodename_ext->human_nodename;
         } else if (type == CLUSTERMSG_EXT_TYPE_FORGOTTEN_NODE) {
@@ -4247,7 +4247,7 @@ void clusterHandleSlaveFailover(void) {
         if (server.cluster->mf_end) {
             server.cluster->failover_auth_time = mstime();
             server.cluster->failover_auth_rank = 0;
-	    clusterDoBeforeSleep(CLUSTER_TODO_HANDLE_FAILOVER);
+            clusterDoBeforeSleep(CLUSTER_TODO_HANDLE_FAILOVER);
         }
         serverLog(LL_NOTICE,
             "Start of election delayed for %lld milliseconds "
@@ -4783,7 +4783,7 @@ void clusterCron(void) {
          * a migration if there is no master with at least *two* working
          * slaves. */
         if (orphaned_masters && max_slaves >= 2 && this_slaves == max_slaves &&
-		server.cluster_allow_replica_migration)
+            server.cluster_allow_replica_migration)
             clusterHandleSlaveMigration(max_slaves);
     }
 

src/config.c

@@ -2387,7 +2387,7 @@ static int isValidShutdownOnSigFlags(int val, const char **err) {
 static int isValidAnnouncedNodename(char *val,const char **err) {
     if (!(isValidAuxString(val,sdslen(val)))) {
         *err = "Announced human node name contained invalid character";
-	return 0;
+        return 0;
     }
     return 1;
 }

src/redis-cli.c

@@ -3278,8 +3278,8 @@ static int isSensitiveCommand(int argc, char **argv) {
         !strcasecmp(argv[1],"set")) {
             for (int j = 2; j < argc; j = j+2) {
                 if (!strcasecmp(argv[j],"masterauth") ||
-		    !strcasecmp(argv[j],"masteruser") ||
-		    !strcasecmp(argv[j],"requirepass")) {
+                    !strcasecmp(argv[j],"masteruser") ||
+                    !strcasecmp(argv[j],"requirepass")) {
                     return 1;
                 }
             }

src/zmalloc.c

@@ -608,7 +608,7 @@ size_t zmalloc_get_rss(void) {
     if ((fd = open(filename,O_RDONLY)) == -1) return 0;
     if (ioctl(fd, PIOCPSINFO, &info) == -1) {
         close(fd);
-	return 0;
+        return 0;
     }
 
     close(fd);