gigaset: don't enable any debugging output by default

When built with debugging support, the Gigaset driver enabled some
debugging messages by default. Change the default to "all off".
Signed-off-by: NTilman Schmidt <tilman@imap.cc>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/isdn/gigaset/common.c

@@ -29,7 +29,7 @@
 #endif
 
 /* Module parameters */
-int gigaset_debuglevel = DEBUG_DEFAULT;
+int gigaset_debuglevel;
 EXPORT_SYMBOL_GPL(gigaset_debuglevel);
 module_param_named(debug, gigaset_debuglevel, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(debug, "debug level");