MFH: r392189

• Update to db4-4.7.25-19.el6_6
• Update to freetype-2.3.11-15.el6_6.1
• Update to glibc-2.12-1.149.el6_6.9
• Update to krb5-libs-1.10.3-37.el6_6
• Add symlink from /usr/lib/librt.so.1 to /lib/librt.so.1. This shadows FreeBSD /usr/lib/librt.so.1 and fixes some applications (e.g. Maple)

Approved by: ports-secteam (delphij)
Security: CVE-2012-5669
Security: CVE-2013-7423
Security: CVE-2014-6040
Security: CVE-2014-7817
Security: CVE-2014-9657
Security: CVE-2014-9658
Security: CVE-2014-9660
Security: CVE-2014-9661
Security: CVE-2014-9663
Security: CVE-2014-9664
Security: CVE-2014-9667
Security: CVE-2014-9669
Security: CVE-2014-9670
Security: CVE-2014-9671
Security: CVE-2014-9673
Security: CVE-2014-9674
Security: CVE-2014-9675
Security: CVE-2015-0235
Security: CVE-2015-1781