Make Linux/MacOSX system checks correct in the cmake build. UNIX is true on both linux and osx. The cmake build probably still doesn't work on MacOSX though.

Also added an option to explicitly disable building with MPG framedumps.  To use it add -DENCODE_FRAMEDUMPS=OFF to cmake on the command line.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6429 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/DebuggerUICommon/CMakeLists.txt

@@ -3,6 +3,6 @@ set(SRCS	Src/CodeView.cpp
 			Src/MemoryView.cpp)
 
 add_library(debugger_ui_util STATIC ${SRCS})
-if(UNIX)
+if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 	add_definitions(-fPIC)
-endif(UNIX)
+endif()