Hello,

This patch is a tiny cleanup for the Ada testsuite: it put the 
"multi_line" helper (currently defined in 6 testcases) in a common 
place: ada.exp. It triggers no regression (tested on x86_64-linux).

Ok to push?
Thank you in advance,

     gdb/testsuite/ChangeLog:
     2015-03-10  Pierre-Marie de Rodat  <derodat@adacore.com>

         * gdb.ada/complete.exp: Remove "multi_line".
         * gdb.ada/info_exc.exp: Remove "multi_line".
         * gdb.ada/packed_tagged.exp: Remove "multi_line".
         * gdb.ada/ptype_field.exp: Remove "multi_line".
         * gdb.ada/sym_print_name.exp: Remove "multi_line".
         * gdb.ada/tagged.exp: Remove "multi_line".
         * lib/ada.exp: Add the "multi_line" helper.

-- 
Pierre-Marie de Rodat