Kernel: Added missing algorithm #include for use of std::find on non-Windows platforms.
Kernel: Removed unnecessary "#pragma once".
Merge branch 'threading' of https://github.com/bunnei/citra

Conflicts:
	src/core/hle/function_wrappers.h
	src/core/hle/service/gsp.cpp
Merge branch 'master' of https://github.com/citra-emu/citra into synchronization

Conflicts:
	src/core/hle/service/gsp.cpp