Merge pull request #8447 from taosdata/fix/ZhiqiangWang/TS-509-Repeated-single-quotes-err

[TS-509]<fix>:Repeated single quotes error.

src/kit/taosdump/taosdump.c

@@ -2089,7 +2089,7 @@ static int getTableDes(
                     memset(tableDes->cols[i].value, 0, sizeof(tableDes->cols[i].note));
                     char tbuf[COL_NOTE_LEN-2];    // need reserve 2 bytes for ' '
                     convertNCharToReadable((char *)row[TSDB_SHOW_TABLES_NAME_INDEX], length[0], tbuf, COL_NOTE_LEN);
-                    sprintf(tableDes->cols[i].value, "\'%s\'", tbuf);
+                    sprintf(tableDes->cols[i].value, "%s", tbuf);
                     break;
                 }
             case TSDB_DATA_TYPE_TIMESTAMP: