[PATCH] fs: fat: gen_numname() is only need with FS_FAT_WRITE

[Wolfram Sang]

So, check for that config option, too. This will get rid of the warning:

	fs/fat/ff.c:878:13: warning: 'gen_numname' defined but not used

I could have also moved the function further down, but I decided for the
least intrusive change.

Signed-off-by: Wolfram Sang <w.sang at pengutronix.de>
---
 fs/fat/ff.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/fat/ff.c b/fs/fat/ff.c
index 3ada867..0087e21 100644
--- a/fs/fat/ff.c
+++ b/fs/fat/ff.c
@@ -874,7 +874,7 @@ void fit_lfn (
 /*
  * Create numbered name
  */
-#ifdef CONFIG_FS_FAT_LFN
+#if defined(CONFIG_FS_FAT_LFN) && defined(CONFIG_FS_FAT_WRITE)
 static void gen_numname (
 	BYTE *dst,		/* Pointer to generated SFN */
 	const BYTE *src,	/* Pointer to source SFN to be modified */
-- 
1.7.7.3