Remove compilation warning

Signed-off-by: Johan Pascal <johan.pascal@belledonne-communications.com>
diff --git a/library/ssl_srv.c b/library/ssl_srv.c
index 1336848..caefaa5 100644
--- a/library/ssl_srv.c
+++ b/library/ssl_srv.c
@@ -2623,7 +2623,6 @@
         default:
             *olen = 0;
             return;
-            break;
     }
 
     buf[8] = 0x00; /* unsupported srtp_mki variable length vector set to 0 */