build-system: install Pmodules files with mode 0644
Running the command 'install -m 0444 ...' causes problems on SElinux enabled systems. Updating the context failed if the file is created read-only.
(cherry picked from commit ac312040)
Running the command 'install -m 0444 ...' causes problems on SElinux enabled systems. Updating the context failed if the file is created read-only.
(cherry picked from commit ac312040)