font/lucsans: fix reference to supsub.9

The euro files refer to the version in ../lucm/supsub.9 but unicode.9x24
was missing the ../lucm

Change-Id: I1a3237a3ea5271426cc53243785229634a843146
Reviewed-on: https://plan9port-review.googlesource.com/1350
Reviewed-by: Russ Cox <rsc@swtch.com>
diff --git a/font/lucsans/unicode.9x24.font b/font/lucsans/unicode.9x24.font
index 892b14b..9adb91b 100644
--- a/font/lucsans/unicode.9x24.font
+++ b/font/lucsans/unicode.9x24.font
@@ -5,7 +5,7 @@
 0x0370	0x03F5	../lucm/greek.9
 0x0400	0x0475	../misc/cyrillic.9
 0x2000	0x2044	../misc/genpunc.9
-0x2070	0x208E	supsub.9
+0x2070	0x208E	../lucm/supsub.9
 0x20A0	0x20AC	../lucm/currency.9
 0x2100	0x2138	../misc/letterlike.8
 0x2190	0x21EA	../misc/arrows