From: skrab-sah <skrab.sah@gmail.com>

replaced declaration of abspath.c from cache.h to abspath.h.
abspath.h is  generated by using makeheaders tool.

Signed-off-by: skrab-sah <skrab.sah@gmail.com>

Submitted-As: https://lore.kernel.org/git/pull.1345.git.git.1664294909011.gitgitgadget@gmail.com