gtfsrt_resolve_run: accept rt_timetable pointer #1128

Job	Run time
formatting	49s
macos (macos-x86_64, On)	9m 0s
msvc (Debug)	8m 46s
linux (linux-amd64-release, linux-amd64)	4m 7s
macos (macos-arm64)	8m 39s
msvc (Release)	9m 27s
linux (linux-arm64-release, linux-arm64, qemu-aarch64-static)	4m 11s
linux (clang-tidy)	7m 13s
linux (linux-sanitizer)	2m 35s
linux (linux-debug, valgrind --leak-check=full --error-exitcode=1)	2m 48s
	57m 35s

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