[calls] NEWS: Remove trailing whitespace

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 77ad7b00aa6c361711f9fc79e5778f5d994e91b3
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Mon Mar 7 12:18:31 2022 +0100

    NEWS: Remove trailing whitespace

 NEWS | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index a78e7287..38fe8185 100644
--- a/NEWS
+++ b/NEWS
@@ -6,7 +6,7 @@ Maybe noteworthy:
 =================
 
 * G722 is now the preferred codec for SIP calls
-* Hole punching scheme now also used for RTCP 
+* Hole punching scheme now also used for RTCP
 
 Translation updates:
 ====================