core-impl: Fix ODR violation warnings with b_lto (#1194)
core-impl: Fix ODR violation warnings with b_lto (#1194)

compiling with link-time optimizations turned on generated One
Definition Rule violation warnings due to input_method_relay being
referred to in the global namespace and being defined in wf::

This line was probably placed outside of wf:: by mistake.
ammen99/wayfire,ammen99/wayfire