Add comment for the BSD issue unsin netifaces

conf/glances.conf

@@ -185,7 +185,7 @@ mem_critical=90
 refresh=30
 # Set the default timeout for a scan (can be overwrite in the scan list)
 timeout=3
-# If True, add the default gateway on top of the port list
+# If True, add the default gateway on top of the scan list
 port_default_gateway=True
 # Define the scan list
 # host (name or IP) is mandatory

glances/plugins/glances_ip.py

@@ -30,6 +30,7 @@ from glances.plugins.glances_plugin import GlancesPlugin
 
 # XXX *BSDs: Segmentation fault (core dumped)
 # -- https://bitbucket.org/al45tair/netifaces/issues/15
+# Also used in the ports_list script
 if not BSD:
     try:
         import netifaces

glances/ports_list.py

@@ -25,6 +25,7 @@ from glances.globals import BSD
 
 # XXX *BSDs: Segmentation fault (core dumped)
 # -- https://bitbucket.org/al45tair/netifaces/issues/15
+# Also used in the glances_ip plugin
 if not BSD:
     try:
         import netifaces