Add a patch to make this port buildable with the Clang compiler.

No functionality changes.

PR:		ports/145379
Submitted by:	rene (author/maintainer)
Approved by:	tabthorpe

sysutils/biosfont/files/patch-biosfont.c

@@ -0,0 +1,11 @@
+--- biosfont.c.orig	2008-07-28 22:31:05.000000000 +0200
++++ biosfont.c		2009-10-27 20:14:28.000000000 +0100
+@@ -65,7 +65,7 @@
+ 			UID_ROOT,
+ 			GID_WHEEL,
+ 			S_IRUSR | S_IRGRP | S_IROTH,
+-			biosfont_cdevsw.d_name);
++			"biosfont");
+ 		if (bootverbose)
+ 			printf("<biosfont>: upper=%08lx\n", fontbase);
+ 		break;