git: 2964804ef95c - main - librt: unbreak LIB32 build

From: Dag-Erling Smørgrav <des_at_FreeBSD.org>
Date: Mon, 28 Aug 2023 15:11:55 UTC 
The branch main has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=2964804ef95cb4fbf315dd1999a844af7786e3aa

commit 2964804ef95cb4fbf315dd1999a844af7786e3aa
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2023-08-28 15:11:32 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2023-08-28 15:11:32 +0000

    librt: unbreak LIB32 build
    
    Fixes:          f006023b2281
    Reviewed by:    imp
    Differential Revision:  https://reviews.freebsd.org/D41616
---
 lib/librt/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librt/Makefile b/lib/librt/Makefile
index 8b880c41ec44..2c8eb1400fb9 100644
--- a/lib/librt/Makefile
+++ b/lib/librt/Makefile
@@ -3,7 +3,7 @@
 
 PACKAGE=clibs
 LIB=rt
-SHLIBDIR=/lib
+SHLIBDIR?=/lib
 SHLIB_MAJOR= 1
 CFLAGS+=-I${SRCTOP}/lib/libc/include -I${.CURDIR}
 .ifndef NO_THREAD_STACK_UNWIND