Patch to remove default encoding patch.

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The default encoding patch, was never upstreamed.  default_encoding module
switched python2 to always use unicode.  Potentially in some languages
semanage will blow up when errors are reported.

The need for this patch is going away in python3, which should be the default
in Fedora 21/22.
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Bump policycoreutils version for semanage import default encoding bug fix.

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Remove -lpthread from pkg-config file.

libselinux uses weak bindings to pthread functions and will fall
back to non-threaded implementations if the caller is not linked
with libpthread.  Avoid requiring all users of libselinux to
link with libpthread.

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Bump libselinux version to 2.2.1 for pkg-config fix.

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>