libsysinfo: Fix bl3 platform check

[Jason W. Bacon (via pkgsrc-wip) <commit-notify%pkgsrc.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Jason W. Bacon <bacon4000%gmail.com@localhost>
Pushed By:	outpaddling
Date:		Wed Apr 2 10:28:39 2025 -0500
Changeset:	615411e6262ea51bd637320ff5b0ef82f3f6aabe

Modified Files:
	libsysinfo/buildlink3.mk

Log Message:
libsysinfo: Fix bl3 platform check

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=615411e6262ea51bd637320ff5b0ef82f3f6aabe

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 libsysinfo/buildlink3.mk | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diffs:
diff --git a/libsysinfo/buildlink3.mk b/libsysinfo/buildlink3.mk
index 83d48df27c..8ae5b96771 100644
--- a/libsysinfo/buildlink3.mk
+++ b/libsysinfo/buildlink3.mk
@@ -5,7 +5,9 @@
 # XXX beginning with "XXX" should be removed.  Please do not commit
 # XXX unverified buildlink3.mk files.
 
-.if !empty(MACHINE_PLATFORM:MFreeBSD-*-*)
+.include "../../mk/bsd.fast.prefs.mk"
+
+.if ${MACHINE_PLATFORM:MFreeBSD-*-*}
 
 BUILDLINK_TREE+=	libsysinfo