ecryptfs: replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index d25ac95..d603631 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -219,7 +219,7 @@
 	if (rc) {
 		printk(KERN_ERR "%s: Error attempting to initialize the "
 		       "persistent file for the dentry with name [%s]; "
-		       "rc = [%d]\n", __FUNCTION__, dentry->d_name.name, rc);
+		       "rc = [%d]\n", __func__, dentry->d_name.name, rc);
 		goto out;
 	}
 out: