Hi,

Please find attached updated patch with new PR in gdb bugzilla.
A workaround for this patch has been discussed here, 
http://sourceware.org/ml/gdb-patches/2013-05/msg00852.html





gdb/ChangeLog 
2013-07-13  Muhammad Bilal  <mbilal@codesorcery.com>

    PR gdb/15715
    * top.c (set_history_filename): New function.
    Converted history filename path to its absolute path.

gdb/testsuite/ChangeLog
2013-07-13  Muhammad Bilal  <mbilal@codesourcery.com>

    PR gdb/15715
    * gdb.base/setshow.exp: Test 'set history filename' command
    to check its absolute path.



Thanks,

-Bilal