Recommended update for squid

This update for squid provides the following fixes:

- Fix a race condition that could result in a server crash during squid reconfiguration. (bsc#1029157)
- Initialize the cache directory on startup if it is missing. (bsc#1030421)
- Make sure the default configuration is correctly generated after installing or upgrading. (bsc#1024020)

This update was imported from the SUSE:SLE-12-SP2:Update update project.

Fixed bugs
bnc#1029157
squid service coredumps on SLES12 SP2 when reconfiguring under load
bnc#1024020
logrotate fails to restart squid
bnc#1030421
Invalid escape sequences for /usr/lib/systemd/system/squid.service
Selected Binaries
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