Minor style modifications

Signed-off-by: Johan Pascal <johan.pascal@belledonne-communications.com>
diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index c3923ee..a4c0467 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -1103,16 +1103,16 @@
     switch( profile )
     {
         case MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80:
-            profile_value = MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80_IANA_VALUE;
+            profile_value = MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80;
             break;
         case MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32:
-            profile_value = MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32_IANA_VALUE;
+            profile_value = MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32;
             break;
         case MBEDTLS_SRTP_NULL_HMAC_SHA1_80:
-            profile_value = MBEDTLS_SRTP_NULL_HMAC_SHA1_80_IANA_VALUE;
+            profile_value = MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80;
             break;
         case MBEDTLS_SRTP_NULL_HMAC_SHA1_32:
-            profile_value = MBEDTLS_SRTP_NULL_HMAC_SHA1_32_IANA_VALUE;
+            profile_value = MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32;
             break;
         default: break;
     }
@@ -1125,16 +1125,16 @@
     mbedtls_ssl_srtp_profile profile_value = MBEDTLS_SRTP_UNSET_PROFILE;
     switch( srtp_iana_value )
     {
-        case MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80_IANA_VALUE:
+        case MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80:
             profile_value = MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80;
             break;
-        case MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32_IANA_VALUE:
+        case MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32:
             profile_value = MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32;
             break;
-        case MBEDTLS_SRTP_NULL_HMAC_SHA1_80_IANA_VALUE:
+        case MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80:
             profile_value = MBEDTLS_SRTP_NULL_HMAC_SHA1_80;
             break;
-        case MBEDTLS_SRTP_NULL_HMAC_SHA1_32_IANA_VALUE:
+        case MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32:
             profile_value = MBEDTLS_SRTP_NULL_HMAC_SHA1_32;
             break;
         default: break;