mdraid: add grep for convenience

diff --git a/modules.d/90mdraid/install b/modules.d/90mdraid/install
index 60f289a..497e5b0 100755 (executable)
--- a/modules.d/90mdraid/install
+++ b/modules.d/90mdraid/install
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-dracut_install mdadm partx
+dracut_install mdadm partx grep
 
 
 # XXX: mdmon really needs to run as non-root?