debuginfod: create libdebuginfod.so.1 before libdebuginfod.so

This would allow to switch from "libdebuginfod-" VERSION ".so"
to DEBUGINFOD_SONAME in __libdwfl_debuginfod_init, and to remove the
fall back to dlopen of "libdebuginfod.so" which would no longer be needed.

Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
2 files changed