Fix variable name

Author: thomwiggers

roles/custom/matrix-bridge-appservice-irc/defaults/main.yml

@@ -47,7 +47,7 @@ matrix_appservice_irc_data_path: "{{ matrix_appservice_irc_base_path }}/data"
 
 matrix_appservice_irc_homeserver_url: ""
 matrix_appservice_irc_homeserver_media_url: '{{ matrix_homeserver_url }}/irc/'
-martix_appservice_irc_homeserver_media_bind_port: 11111
+matrix_appservice_irc_homeserver_media_bind_port: 11111
 matrix_appservice_irc_homeserver_domain: '{{ matrix_domain }}'
 matrix_appservice_irc_homeserver_enablePresence: true  # noqa var-naming
 matrix_appservice_irc_appservice_address: 'http://matrix-appservice-irc:9999'