cmocka: Initialize group_state in _cmocka_run_group_tests()
cmocka: Initialize group_state in _cmocka_run_group_tests()

CID: #1268623

Signed-off-by: Andreas Schneider <5be00ddc76278cf6077f5047ca3384a88460c671@cryptomilk.org>

wingyplus/cmocka,wingyplus/cmocka,jamesmunns/CMocka,VladimirTyrin/cmocka,tyc/cmocka,clibs/cmocka,dsch/cmocka,tyc/cmocka,JonathonReinhart/cmocka,jamesmunns/CMocka,tyc/cmocka,dsch/cmocka,clibs/cmocka,VladimirTyrin/cmocka,JonathonReinhart/cmocka