[PATCH] Char: mxser_new, do not put pdev

We don't call pci_dev_get, so do not call pci_dev_put in the pci release
function.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>