KWSys SystemInformation: No SA_RESTART on QNX

QNX not support SA_RESTART signal:

 /* #define SA_RESTART 0x0040 (not supported yet) */

Use it in SystemInformation only if it is defined.
CMake Nightly Date Stamp
CMake Nightly Date Stamp
CMake Nightly Date Stamp
Merge topic 'update-kwsys'

6f3e094e Merge branch 'upstream-kwsys' into update-kwsys
d4d1b7f7 KWSys 2014-07-18 (65b36ede)
Merge topic 'fix-QCC-compile-flags'

3151024d QNX: Add missing flags for configurations and artifact creation.
Tests/CTestTestMemcheck: Fix malloc guard location
Merge topic 'fix_guard_malloc_forbc' into next

ffd40461 Tests/CTestTestMemcheck: Fix malloc guard location
Merge branch 'master' into next
Merge topic 'backport-kwsys-qnx-fix' into next

cc3248f4 KWSys SystemInformation: No SA_RESTART on QNX
Merge topic 'backport-kwsys-qnx-fix'

cc3248f4 KWSys SystemInformation: No SA_RESTART on QNX
Merge branch 'master' into next