SRTP-DTLS protection profile configuration list not copied into ssl_config
+ improve test
+ minor style fix

Signed-off-by: Johan Pascal <johan.pascal@belledonne-communications.com>
diff --git a/library/ssl_cli.c b/library/ssl_cli.c
index 5bd303a..b8acc75 100644
--- a/library/ssl_cli.c
+++ b/library/ssl_cli.c
@@ -788,8 +788,7 @@
      * } UseSRTPData;
      * SRTPProtectionProfile SRTPProtectionProfiles<2..2^16-1>;
      */
-    if( ssl->conf->dtls_srtp_mki_support == MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED &&
-        ssl->dtls_srtp_info.mki_len != 0 )
+    if( ssl->conf->dtls_srtp_mki_support == MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED )
     {
         mki_len = ssl->dtls_srtp_info.mki_len;
     }