Cookie executable path logic fixed and refactored.

Cookie executable path logic fixed and refactored.

[Issue#] SSDWSSP-237 / P130508-4841
[Bug] Security-server has closed unexpectedly
[Problem] N/A
[Cause] Executable paths were improperly compared and triggered pid reusage code
branch.
[Solution] Executable paths logic fixed and refactored.

[Verification] Run all security-server tests

Change-Id: I68219631378be17c980b52fa8995d9bc37d69ed7

Conflicts:

	src/server/security-server-cookie.c