[calls] dummy: origin: Restrict supported protocols to "tel"

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 6aba8e119c27dad10afa820b623053eaffdb3cba
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Wed Jan 26 10:20:56 2022 +0100

    dummy: origin: Restrict supported protocols to "tel"

 plugins/dummy/calls-dummy-origin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/plugins/dummy/calls-dummy-origin.c b/plugins/dummy/calls-dummy-origin.c
index 6027f20c..183e7c0b 100644
--- a/plugins/dummy/calls-dummy-origin.c
+++ b/plugins/dummy/calls-dummy-origin.c
@@ -157,7 +157,7 @@ supports_protocol (CallsOrigin *origin,
   g_assert (protocol != NULL);
   g_assert (CALLS_IS_DUMMY_ORIGIN (origin));
 
-  return TRUE;
+  return g_strcmp0 (protocol, "tel") == 0;
 }