[XFS] replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

SGI-PV: 976035
SGI-Modid: xfs-linux-melb:xfs-kern:30775a

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 4a6f7c5d..bece882 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -2225,7 +2225,7 @@
 			repeats = 0;
 			xfs_fs_cmn_err(CE_WARN, log->l_mp,
 				"%s: possible infinite loop (%d iterations)",
-				__FUNCTION__, flushcnt);
+				__func__, flushcnt);
 		}
 	} while (!ioerrors && loopdidcallbacks);