fs: replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/vfat/namei.c b/fs/vfat/namei.c
index 5b66162..a352272 100644
--- a/fs/vfat/namei.c
+++ b/fs/vfat/namei.c
@@ -986,7 +986,7 @@
 	if (corrupt < 0) {
 		fat_fs_panic(new_dir->i_sb,
 			     "%s: Filesystem corrupted (i_pos %lld)",
-			     __FUNCTION__, sinfo.i_pos);
+			     __func__, sinfo.i_pos);
 	}
 	goto out;
 }