.gitignore: add misc/e4crypt and misc/e4crypt.8

It was forgotten to add these to .gitignore when e4crypt was added.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
diff --git a/.gitignore b/.gitignore
index 8a63e9f..dd587a2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -171,6 +171,8 @@
 misc/e2label.8
 misc/e2undo
 misc/e2undo.8
+misc/e4crypt
+misc/e4crypt.8
 misc/e4defrag
 misc/e4defrag.8
 misc/ext4.5