Remove trailing whitespace

diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index b201c8b..a08d6b2 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -1731,7 +1731,7 @@
         ret = 3;
         goto exit;
     }
-    
+
     if( opt.force_ciphersuite[0] > 0 )
     {
         const mbedtls_ssl_ciphersuite_t *ciphersuite_info;