Check return value of ssl_set_xxx() in programs
diff --git a/programs/ssl/ssl_fork_server.c b/programs/ssl/ssl_fork_server.c
index 554be1f..d10a9e6 100644
--- a/programs/ssl/ssl_fork_server.c
+++ b/programs/ssl/ssl_fork_server.c
@@ -270,7 +270,11 @@
                            net_send, &client_fd );
 
         ssl_set_ca_chain( &ssl, srvcert.next, NULL, NULL );
-        ssl_set_own_cert( &ssl, &srvcert, &pkey );
+        if( ( ret = ssl_set_own_cert( &ssl, &srvcert, &pkey ) ) != 0 )
+        {
+            printf( " failed\n  ! ssl_set_own_cert returned %d\n\n", ret );
+            goto exit;
+        }
 
         /*
          * 5. Handshake