scripts: bundle-libraries: fix logic flaw
Previous refactoring of the script moved the LDSO detection into a
file-not-exists condition, causing onyl the very first executable to
get bundled.
Solve the problem by unconditionally checking for LDSO again.
Fixes: 9030a78a71 ("scripts: bundle-libraries: prevent loading host locales")
Signed-off-by: Jo-Philipp Wich <[email protected]>