From d6e0729b24de566a80554abbdf0aca1ed24de14b Mon Sep 17 00:00:00 2001
From: Diego Biurrun <diego@biurrun.de>
Date: Fri, 27 May 2011 20:24:44 +0200
Subject: [PATCH] avfilter: Surround function only used in debug mode by
 appropriate #ifdef.
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This fixes the warning:
libavfilter/avfilter.c:219: warning: ‘ff_get_ref_perms_string’ defined but not used
---
 libavfilter/avfilter.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 02915036ab..abeae14f79 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -215,6 +215,7 @@ int avfilter_config_links(AVFilterContext *filter)
     return 0;
 }
 
+#ifdef DEBUG
 static char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms)
 {
     snprintf(buf, buf_size, "%s%s%s%s%s%s",
@@ -226,6 +227,7 @@ static char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms)
              perms & AV_PERM_NEG_LINESIZES ? "n" : "");
     return buf;
 }
+#endif
 
 static void ff_dlog_ref(void *ctx, AVFilterBufferRef *ref, int end)
 {