Valgrind reports passing a pointer to uninitialised memory to write()
system call. The stack trace includes the names from CRTL and
cannot be suppressed in platform-independent way.

File: Bug687698.ps - pdfwrite
Syscall param write(buf) points to uninitialised byte(s)
    at 0x4263D98: write (in /lib/libc-2.3.2.so)
    by 0x4203F3D: (within /lib/libc-2.3.2.so)
    by 0x4203ED5: _IO_do_write (in /lib/libc-2.3.2.so)
    by 0x4204B46: _IO_file_sync (in /lib/libc-2.3.2.so)
    by 0x41F9AFB: fflush (in /lib/libc-2.3.2.so)
    by 0x80EACC3: s_file_write_flush (sfxstdio.c:386)
    by 0x81FEEE9: cos_stream_contents_write (gdevpdfo.c:1323)
    by 0x81FF0BA: cos_stream_write (gdevpdfo.c:1365)
    by 0x81FD1E7: cos_write (gdevpdfo.c:221)
    by 0x81FD24C: cos_write_object (gdevpdfo.c:233)
    by 0x8205160: pdf_end_data (gdevpdfu.c:1811)
    by 0x8220467: pdf_write_cmap (gdevpdtw.c:789)
  Address 0x4022015 is not stack'd, malloc'd or (recently) free'd
{
   <insert a suppression name here>
   Memcheck:Param
   write(buf)
   fun:write
   obj:/lib/libc-2.3.2.so
   fun:_IO_do_write
   fun:_IO_file_sync
   fun:fflush
   fun:s_file_write_flush
   fun:cos_stream_contents_write
   fun:cos_stream_write
   fun:cos_write
   fun:cos_write_object
   fun:pdf_end_data
   fun:pdf_write_cmap
}