set default value of autodetect_browser_mailer to True. Force it to True for windows

src/common/config.py

@@ -185,7 +185,7 @@ class Config:
             'networkmanager_support': [opt_bool, True, _('If True, listen to D-Bus signals from NetworkManager and change the status of accounts (provided they do not have listen_to_network_manager set to False and they sync with global status) based upon the status of the network connection.'), True],
             'outgoing_chat_state_notifications': [opt_str, 'all', _('Sent chat state notifications. Can be one of all, composing_only, disabled.')],
             'displayed_chat_state_notifications': [opt_str, 'all', _('Displayed chat state notifications in chat windows. Can be one of all, composing_only, disabled.')],
-            'autodetect_browser_mailer': [opt_bool, False, '', True],
+            'autodetect_browser_mailer': [opt_bool, True, '', True],
             'print_ichat_every_foo_minutes': [opt_int, 5, _('When not printing time for every message (print_time==sometimes), print it every x minutes.')],
             'confirm_close_muc': [opt_bool, True, _('Ask before closing a group chat tab/window.')],
             'confirm_close_muc_rooms': [opt_str, '', _('Always ask before closing group chat tab/window in this space separated list of group chat jids.')],

src/common/optparser.py

@@ -901,7 +901,7 @@ class OptionsParser:
     def update_config_to_01401(self):
         if 'autodetect_browser_mailer' not in self.old_values or 'openwith' \
         not in self.old_values or \
-        (self.old_values['autodetect_browser_mailer'] == 'False' and \
+        (self.old_values['autodetect_browser_mailer'] == False and \
         self.old_values['openwith'] != 'custom'):
             gajim.config.set('autodetect_browser_mailer', True)
             gajim.config.set('openwith', gajim.config.DEFAULT_OPENWITH)
@@ -911,3 +911,5 @@ class OptionsParser:
         if 'use_stun_server' in self.old_values and self.old_values[
         'use_stun_server'] and not self.old_values['stun_server']:
             gajim.config.set('use_stun_server', False)
+        if os.name == 'nt':
+            gajim.config.set('autodetect_browser_mailer', True)