include: replace __FUNCTION__ with __func__

__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/include/linux/ext2_fs.h b/include/linux/ext2_fs.h
index 2efe7b8..78c775a 100644
--- a/include/linux/ext2_fs.h
+++ b/include/linux/ext2_fs.h
@@ -47,7 +47,7 @@
 #ifdef EXT2FS_DEBUG
 #	define ext2_debug(f, a...)	{ \
 					printk ("EXT2-fs DEBUG (%s, %d): %s:", \
-						__FILE__, __LINE__, __FUNCTION__); \
+						__FILE__, __LINE__, __func__); \
 				  	printk (f, ## a); \
 					}
 #else