wok log libpri/receipt

age author description
2013-08-15 Pascal Bellard libpri: fix a source file
2013-08-14 Pascal Bellard Add some -Wno-error=unused-but-set-variable
2010-10-08 Christopher Rogers Up: libpir, libpir-dev to 1.4.11.4.
2009-09-04 Christophe Lincoln Add: libpri (ISDN specification with BRI support)