Hi
Please find attached updated patch.

In This patch Default location of History file has been changed to user 
home directory (~/.gdb_history).





2013-05-15  Muhammad Bilal  <mbilal@codesourcery.com>

     PR gdb/15224
     * top.c (init_history): Change the default history filename
     to ~/.gdb_history.

     * NEWS: Updated.

2013-05-15  Muhammad Bilal  <mbilal@codesourcery.com>

     PR gdb/15224
     * gdb.base/default.exp: Test default history filename
     Path.

2013-05-15  Muhammad Bilal  <mbilal@codesourcery.com>

     PR gdb/15224
     * gdb.texinfo (Command History): Change the default history filename
     to ~/.gdb_history.




Thanks,
-Bilal