Fix ORC_ERROR messages when generating code with orcc.exe on windows
For example
https://gitlab.freedesktop.org/thaytan/gst-plugins-good/-/jobs/3390509
[381/3955] Generating orc_test.c with a meson_exe.py custom command
ORC: ERROR: ../subprojects/orc/orc/orccompiler.c(250): (): Couldn't set memory protect on 00000159A9E20000 from unknown to readwrite: The parameter is incorrect.
ORC: ERROR: ../subprojects/orc/orc/orccompiler.c(250): (): Couldn't set memory protect on 00000159A9E20000 from unknown to execute: The parameter is incorrect.
[repeats]
Edited by Nirbheek Chauhan