Fixed cmockery defect #11.
Fixed cmockery defect #11.

strsignal() function is not available on HP-UX IA64 v3.
http://code.google.com/p/cmockery/issues/detail?id=11

VladimirTyrin/cmockery2,nightblood/cmockery2,nightblood/cmockery2,lpabon/cmockery2,lpabon/cmockery2,VladimirTyrin/cmockery2