[PATCH] INSTALL: Document that building grub-mkfont requires xfonts-unifont

[Glenn Washburn]

Signed-off-by: Glenn Washburn <development@efficientek.com>
---
Daniel you asked for this a couple months ago and I just remembered to send
it.

Glenn
---
 INSTALL | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/INSTALL b/INSTALL
index 1c54bd8dc99c..87947df15386 100644
--- a/INSTALL
+++ b/INSTALL
@@ -42,6 +42,9 @@ To build GRUB's graphical terminal (gfxterm), you need:
 * FreeType 2.1.5 or later
 * GNU Unifont
 
+To build grub-mkfont the unicode fonts are required (xfonts-unifont package
+on Debian).
+
 If you use a development snapshot or want to hack on GRUB you may
 need the following.
 
-- 
2.34.1