This update for aaa_base provides the following fixes:

- Support changing PS1 even for mksh and user root. (bsc#1036895)
- Unset unused variables on profile files. (bsc#1049577)
- Unset id in csh.cshrc instead of profile.csh. (bsc#1049577)
- Allow that personal ~/.bashrc is read again. (bsc#1052182)
- Avoid that IFS becomes global in _ls ksh shell function. (bsc#1079674, bsc#1025743)
- Replace "cat > file" by "mv -f ... file" in pre/post to fix issues with clients
having these files mmapped. (bsc#1038549)

This update was imported from the SUSE:SLE-12-SP3:Update update project.