Align ssl_read in fork_server on ssl_server

It was the only program using a weird do while( 0 ) with a continue inside
diff --git a/programs/ssl/ssl_fork_server.c b/programs/ssl/ssl_fork_server.c
index 3f3c6ad..42bba72 100644
--- a/programs/ssl/ssl_fork_server.c
+++ b/programs/ssl/ssl_fork_server.c
@@ -342,8 +342,11 @@
 
             len = ret;
             polarssl_printf( " %d bytes read\n\n%s", len, (char *) buf );
+
+            if( ret > 0 )
+                break;
         }
-        while( 0 );
+        while( 1 );
 
         /*
          * 7. Write the 200 Response