[calls] sip: origin: Fix comment style

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 1b4af654f18e91fa5c573ae3813eb4627bc98d92
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Thu Jan 27 18:01:37 2022 +0100

    sip: origin: Fix comment style

 plugins/sip/calls-sip-origin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/plugins/sip/calls-sip-origin.c b/plugins/sip/calls-sip-origin.c
index 9d723aac..243b99b4 100644
--- a/plugins/sip/calls-sip-origin.c
+++ b/plugins/sip/calls-sip-origin.c
@@ -1050,7 +1050,7 @@ init_sip_account (CallsSipOrigin *self,
     return FALSE;
   }
 
-  // setup_nua() and setup_sip_handles() only after account data has been set
+  /* setup_nua() and setup_sip_handles() only after account data has been set */
   self->nua = setup_nua (self);
   if (self->nua == NULL) {
     g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,