tests: Reformating due to rnd_* renaming

Command to find the files in which lines have gone
larger than 79 characters due to the renaming:

grep '.\{80\}' \
    `git diff-tree --no-commit-id --name-only -r HEAD` \
    | grep "\<mbedtls_test_rnd_"

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index 1389e33..9c6a57a 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -3339,7 +3339,8 @@
             rec_backup = rec;
 
             /* Encrypt record */
-            ret = mbedtls_ssl_encrypt_buf( &ssl, t_enc, &rec, mbedtls_test_rnd_std_rand, NULL );
+            ret = mbedtls_ssl_encrypt_buf( &ssl, t_enc, &rec,
+                                           mbedtls_test_rnd_std_rand, NULL );
 
             if( ( mode == 1 || mode == 2 ) && seen_success )
             {