Fix set_label_blocksize to set minimum_blocksize

We now also set the minimum blocksize when writing labels
so that we are sure that the label really has 63k instead of
only 1k which it was without this fix.

We also remove an unneeded newline in debug output of the autochanger.

src/stored/autochanger.c

@@ -623,7 +623,7 @@ bool autochanger_cmd(DCR *dcr, BSOCK *dir, const char *cmd)
        */
       while (fgets(dir->msg, len, bpipe->rfd)) {
          dir->msglen = strlen(dir->msg);
-         Dmsg1(100, "<stored: %s\n", dir->msg);
+         Dmsg1(100, "<stored: %s", dir->msg);
          bnet_send(dir);
       }
    } else if (bstrcmp(cmd, "slots")) {

src/stored/dev.c

@@ -437,13 +437,11 @@ void DEVICE::set_blocksizes(DCR *dcr) {
 void DEVICE::set_label_blocksize(DCR *dcr)
 {
    DEVICE *dev = this;
-
    Dmsg3(100, "setting minblocksize to %u, "
               "maxblocksize to label_block_size=%u, on device %s\n",
-         0, dev->device->label_block_size, dev->print_name());
-
-   dev->min_block_size = 0;
+         dev->device->label_block_size, dev->device->label_block_size, dev->print_name());
 
+   dev->min_block_size = dev->device->label_block_size;
    dev->max_block_size = dev->device->label_block_size;
    /*
     * If blocklen is not dev->max_block_size create a new block with the right size

src/stored/label.c

@@ -424,11 +424,6 @@ bool write_new_volume_label_to_dev(DCR *dcr, const char *VolName,
       dcr->rec->Stream = 0;
       dcr->rec->maskedStream = 0;
 
-      /*
-       * Set the label blocksize to read the label
-       */
-      dev->set_label_blocksize(dcr);
-
       if (!write_record_to_block(dcr, dcr->rec)) {
          Dmsg2(130, "Bad Label write on %s: ERR=%s\n", dev->print_name(), dev->print_errmsg());
          goto bail_out;