pdf2dsc can't find the needed files in the predefined searching path

[easior]

Description / Steps to reproduce the issue

A call of pdf2dsc in Emacs starting up from MSYS2 failed. The reason which I could figure out is the wrong searching path issued from the Shebang /bin/sh in pdf2dsc. Maybe, MSYS2_PREFIX should be appended somewhere, since pdf2dsc is installed with mingw-w64-x86_64-ghostscript.

Expected behavior

pdf2dsc finds the needed files in right searching paths.

Actual behavior

One of error reports is
Error: /undefinedfilename in (pdf2dsc.ps)

Verification

• I have verified that my MSYS2 is up-to-date before submitting the report (see https://www.msys2.org/docs/updating/)

Windows Version

MINGW64_NT-10.0-26100

Are you willing to submit a PR?

No response