[Cin] blds/bld_prepare.sh update

[mnieuw at zap.a2000.nl]

Hi, attached is an update blds/bld_prepare.sh script.

It has two changes:
- Extra entries to install the patchelf, boost_regex and
  boost_filesystem packages.
- A fix for Suse, the test for the link was failing.

@Andrea, did not have time to add an Arch/Manjaro section.

Suse installs all packages, but it fails on the linking stage of 
the new makeappimage tool. Have to look at it.

MatN
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