copyright: fix typo: sysmocom s/s.m.f.c./s.f.m.c./ GmbH

Change-Id: I81687235fedcbbb686db7def59318e891e00ced7
diff --git a/src/libmsc/codec_filter.c b/src/libmsc/codec_filter.c
index c77aeb9..674d564 100644
--- a/src/libmsc/codec_filter.c
+++ b/src/libmsc/codec_filter.c
@@ -1,6 +1,6 @@
 /* Filter/overlay codec selections for a voice call, across MS, RAN and CN limitations */
 /*
- * (C) 2019-2023 by sysmocom - s.m.f.c. GmbH <info@sysmocom.de>
+ * (C) 2019-2023 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
  * All Rights Reserved
  *
  * Author: Neels Hofmeyr