Further fix 297078 : implement conversion between vki and gdb real time sig nr.

* gdbserver_tests/nlpasssigalrm
   modify test so as to test also a real time signal

* coregrind/m_gdbserver/signals.c
  - implement translation between gdb real time signal numbers
    and vki real time signal numbers
  - ensure non-convertible signals are giving an error



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12471 a5019735-40e9-0310-863c-91ae7b9d1cf9
5 files changed