* sublime3: replace hardcoded /bin/bash with /usr/bin/env
exec.py in Default.package-sublime calls /bin/bash with subprocess.
See Issue #12011. Because of this builds could not be started from
withtin Sublime Text.
* sublime3: use wrapped of bash to fix internal build system
Without the wrapped version of bash (a symlink to $bash/bin/bash)
with LD_PRELOAD to glibc an relocation error occurs when trying
to run builds from within Sublime Text 3. See Issue #12011.
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