update qt5 packages (5.2.0 final)
update package freetype
update package pcre
package sqlite: do not disable thread safety

This was disabled in 9ff1828308481a01ada21c772320f863393ea072 due to
buggy pthread support, but this this option does not induce sqlite
to use multiple threads. Instead, it builds sqlite with the
necessary mutexes to make the library thread safe.

https://sqlite.org/threadsafe.html