core: use https for all links where secured http is supported

src/plugins/exec/exec-command.c

@@ -901,7 +901,7 @@ exec_command_init ()
            "Examples:\n"
            "  /exec -n ls -l /tmp\n"
            "  /exec -sh -n ps xu | grep weechat\n"
-           "  /exec -n -norc url:http://pastebin.com/raw.php?i=xxxxxxxx\n"
+           "  /exec -n -norc url:https://pastebin.com/raw.php?i=xxxxxxxx\n"
            "  /exec -nf -noln links -dump "
            "https://weechat.org/files/doc/devel/weechat_user.en.html\n"
            "  /exec -o uptime\n"

src/plugins/relay/relay-config.c

@@ -934,7 +934,7 @@ relay_config_init ()
         N_("POSIX extended regular expression with origins allowed in "
            "websockets (case insensitive, use \"(?-i)\" at beginning to make "
            "it case sensitive), example: "
-           "\"^http://(www\\.)?example\\.(com|org)\""),
+           "\"^https?://(www\\.)?example\\.(com|org)\""),
         NULL, 0, 0, "", NULL, 0,
         NULL, NULL, NULL,
         &relay_config_change_network_websocket_allowed_origins, NULL, NULL,

src/plugins/relay/relay-websocket.c

@@ -113,7 +113,7 @@ relay_websocket_save_header (struct t_relay_client *client,
  *   Upgrade: websocket
  *   Connection: Upgrade
  *   Host: myhost:5000
- *   Origin: http://example.org.org
+ *   Origin: http://example.org
  *   Pragma: no-cache
  *   Cache-Control: no-cache
  *   Sec-WebSocket-Key: fo1J9uHSsrfDP3BkwUylzQ==