update

update

* ANNOUNCE, CHANGES, README, aconf-win32.h: update

* xpdf/CharCodeToUnicode.cc, xpdf/Decrypt.cc, xpdf/FTFont.cc,
xpdf/FTFont.h, xpdf/FontEncodingTables.cc, xpdf/Gfx.cc,
xpdf/GfxFont.cc, xpdf/GfxState.cc, xpdf/GfxState.h,
xpdf/GlobalParams.cc, xpdf/GlobalParams.h, xpdf/Link.cc,
xpdf/NameToUnicodeTable.h, xpdf/Stream.cc, xpdf/TextOutputDev.cc,
xpdf/TextOutputDev.h, xpdf/XOutputDev.cc, xpdf/config.h,
xpdf/pdftotext.cc, xpdf/xpdf.cc, xpdf/Outline.cc, xpdf/XPDFApp.cc,
xpdf/XPDFApp.h, xpdf/XPDFCore.cc, xpdf/XPDFCore.h,
xpdf/XPDFViewer.cc, xpdf/XPDFViewer.h: update.

* goo/gfile.cc: update.

* goo/Makefile.am: use GMutex.h

* doc/pdffonts.1, doc/pdffonts.cat, doc/pdfimages.1,
doc/pdfimages.cat, doc/pdfinfo.1, doc/pdfinfo.cat, doc/pdftopbm.1,
doc/pdftopbm.cat, doc/pdftops.1, doc/pdftops.cat, doc/pdftotext.1,
doc/pdftotext.cat, doc/pdftotext.hlp, doc/xpdf.1, doc/xpdf.cat,
doc/xpdf.hlp, doc/xpdfrc.5, doc/xpdfrc.cat, doc/xpdfrc.hlp: update