[sparc64] Fix build of net/amule

net/amule fails to build because it cannot find the freetype libraries.
This diff fixes the build by adding "-L${X11BASE}/lib" to LDFLAGS.

ok?

--Kurt

Index: Makefile
===================================================================
RCS file: /cvs/ports/net/amule/Makefile,v
retrieving revision 1.80
diff -u -p -r1.80 Makefile
--- Makefile 3 Feb 2022 22:17:27 -0000 1.80
+++ Makefile 2 Mar 2022 22:07:56 -0000
@@ -89,7 +89,7 @@ CONFIGURE_ARGS += --enable-debug
.endif

CONFIGURE_ENV = CPPFLAGS="-I${LOCALBASE}/include -I${X11BASE}/include" \
- LDFLAGS=-lexecinfo \
+ LDFLAGS="-lexecinfo -L${X11BASE}/lib" \
LOCALDIR="${LOCALBASE}" \
X11R6DIR="${X11BASE}" \
ac_cv_header_bfd_h=false