Commit to C90 style
diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index ef64848..f3f9bc9 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -565,8 +565,8 @@
 int dummy_entropy( void *data, unsigned char *output, size_t len )
 {
     size_t i;
-    (void) data;
     int ret;
+    (void) data;
 
     ret = mbedtls_entropy_func( data, output, len );
     for ( i = 0; i < len; i++ )