MT#61371 remove one level of indentation

The `if` block ends with a goto, so the indent for the `else` block is
not needed. Remove it for readability.

Change-Id: I0ab88246cfebf105c2256d129890925706917618
(cherry picked from commit a6775d3ca7)
(cherry picked from commit 5a42e8f911)

daemon/call.c

@@ -4623,13 +4623,12 @@ static int call_get_dialogue(struct call_monologue *monologues[2], call_t *call,
 		}
 		/* it seems ft hasn't seen tt before */
 		goto tag_setup;
+	}
 
 	/* try to determine the monologue from the viabranch,
 	 * or using the top most tt's subscription, if there is one.
 	 * Otherwise just create a brand-new one.
 	 */
-	} else {
-		/* viabranch */
 	if (viabranch)
 		ft = t_hash_table_lookup(call->viabranches, viabranch);
 	/* top most subscription of tt */
@@ -4648,7 +4647,6 @@ static int call_get_dialogue(struct call_monologue *monologues[2], call_t *call,
 	 */
 	if (!ft || ft->tag.s)
 		ft = __monologue_create(call);
-	}
 
 tag_setup:
 	/* the fromtag monologue may be newly created, or half-complete from the totag, or