From 5e793ad8517d4036b115d2dbaaf105aad0414a20 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Fri, 16 May 2014 11:32:43 +0200
Subject: [PATCH] Silence GCC warning.

* libguile/fports.c (scm_setvbuf): Initialize 'drained'.  GCC 4.9 raises
  a "may be used uninitialized warning" for 'drained', because it can't
  tell that 'drained' is initialized anytime NDRAINED > 0.
---
 libguile/fports.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libguile/fports.c b/libguile/fports.c
index 5549bb124..29edc519c 100644
--- a/libguile/fports.c
+++ b/libguile/fports.c
@@ -155,7 +155,7 @@ SCM_DEFINE (scm_setvbuf, "setvbuf", 2, 1, 0,
   int cmode;
   long csize;
   size_t ndrained;
-  char *drained;
+  char *drained = NULL;
   scm_t_port *pt;
   scm_t_port_internal *pti;