Bypass libtool for linking with libuuid on win32

Bypass libtool for linking with libuuid on win32

Fixes a regression introduced in 07d49ee5.

Libtool by default refuses to link static libraries into shared
libraries. In Windows, libuuid is however a static library and needed
for shared libgtk; as a work around, use "-Wl,-luuid" to pass the option
directly to the linker.

https://bugzilla.gnome.org/show_bug.cgi?id=642214