glsl: rename record_location_offset() -> struct_location_offset()

glsl: rename record_location_offset() -> struct_location_offset()

Replace done using:
find ./src -type f -exec sed -i -- \
's/record_location_offset(/struct_location_offset(/g' {} \;

Acked-by: Karol Herbst <kherbst@redhat.com>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Kenneth Graunke <kenneth@whitecape.org>