add missing files

svn path=/trunk/vorbis/; revision=7452

vorbis-uninstalled.pc.in

+# vorbis uninstalled pkg-config file
+
+prefix=
+exec_prefix=
+libdir=${pcfiledir}/lib
+includedir=${pcfiledir}/include
+
+Name: vorbis
+Description: vorbis is the primary Ogg Vorbis library (uninstalled)
+Version: @VERSION@
+Requires: ogg
+Conflicts:
+Libs: @VORBIS_LIBS@ ${libdir}/libvorbis.la
+Cflags: -I${includedir}

vorbisenc-uninstalled.pc.in

+# vorbisenc uninstalled pkg-config file
+
+prefix=
+exec_prefix=
+libdir=${pcfiledir}/lib
+includedir=${pcfiledir}/include
+
+Name: vorbisenc
+Description: vorbisenc is a library that provides a convenient API for setting up an encoding environment using libvorbis (uninstalled)
+Version: @VERSION@
+Requires: vorbis
+Conflicts:
+Libs: ${libdir}/libvorbisenc.la
+Cflags: -I${includedir}

vorbisfile-uninstalled.pc.in

+# vorbisfile uninstalled pkg-config file
+
+prefix=
+exec_prefix=
+libdir=${pcfiledir}/lib
+includedir=${pcfiledir}/include
+
+Name: vorbisfile
+Description: vorbisfile is a library that provides a convenient high-level API for decoding and basic manipulation of all Vorbis I audio streams (uninstalled)
+Version: @VERSION@
+Requires: vorbis
+Conflicts:
+Libs: ${libdir}/libvorbisfile.la
+Cflags: -I${includedir}