devel/libgudev: fix build with clang 18
Clang 18 no longer accepts -export-dynamic, which is a linker option,
resulting in an error building devel/libgudev:
cc -o gudev/libgudev-1.0.so.0.3.0 gudev/libgudev-1.0.so.0.3.0.p/meson-generated_.._gudevenumtypes.c.o gudev/libgudev-1.0.so.0.3.0.p/gudevclient.c.o gudev/libgudev-1.0.so.0.3.0.p/gudevdevice.c.o gudev/libgudev-1.0.so.0.3.0.p/gudevenumerator.c.o -Wl,--as-needed -Wl,--no-undefined -Wl,-O1 -shared -fPIC -Wl,--start-group -Wl,-soname,libgudev-1.0.so.0 -fstack-protector-strong -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -Wl,-rpath,/usr/local/lib -Wl,-rpath-link,/usr/local/lib -export-dynamic -Wl,--version-script,/wrkdirs/share/dim/ports/devel/libgudev/work/libgudev-237/libgudev-1.0.sym /usr/local/lib/libglib-2.0.so /usr/local/lib/libintl.so /usr/local/lib/libgobject-2.0.so /usr/local/lib/libudev.so -Wl,--end-group cc: error: unknown argument: '-export-dynamic'
Fix this by using the correct spelling, -Wl,--export-dynamic.
PR: 276135
Approved by: x11 (manu)
MFH: 2024Q1
(cherry picked from commit b6807b43f161c18a6d7a5642f817e4bff858d33a)