Fix MSVC warning in sample programs
The warning was caused because of conversions from size_t to int, which
can cause data loss. The files affected are:
* ssl_client2.c
* ssl_server2.c
* ssl_mail_client.c
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index 5b4d634..b99aeb6 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -1791,7 +1791,7 @@
unsigned char *larger_buf;
ori_len = ret;
- extra_len = ssl_get_bytes_avail( &ssl );
+ extra_len = (int) ssl_get_bytes_avail( &ssl );
larger_buf = polarssl_malloc( ori_len + extra_len + 1 );
if( larger_buf == NULL )