targets/osmesa: drop the -module tag from LDFLAGS

Gallium equivalent of commit 06ff751f97f(darwin: Fix install name of
libOSMesa)

Cc: "10.5 10.6" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
(cherry picked from commit 36438f0db6c7c696df73ced12684f4df9d2b47e5)
1 file changed