USB: gamin_gps: Fix for data transfer problems in native mode

USB: gamin_gps: Fix for data transfer problems in native mode

BugLink: http://bugs.launchpad.net/bugs/793702

commit b4026c4584cd70858d4d3450abfb1cd0714d4f32 upstream.

This patch fixes a problem where data received from the gps is sometimes
transferred incompletely to the serial port. If used in native mode now
all data received via the bulk queue will be forwarded to the serial
port.

Signed-off-by: Hermann Kneissel <herkne@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>