Log Message:
editors/xwpe: update to xwpe-1.5.30a.

# Changes (upstream)

1.5.30a
* Some additional comments
* Fedora compile fix

# Local Changes

* Fixed a couple of compile-time warnings.
* Fixed bug in error handling.
* Fixed a typo in header causing linker error on Linux.
* Honor package's own LIBS definition, while still passing LDFLAGS to
  properly set the runtime library path for X11 libs.
* Add missing LICENSE.
* Specify missing dependencies to allow the package to link against
  libICE/libSM.
* Add a post-install target to install .desktop file (borrowed from
  from AUR) and relevant pixmap (taken from the official site).
* Taking maintainership.