Fixed some compilation errors on windows.

Note that it works on my computer, but it *might* not work on older versions
of windows.

components/files/path.hpp

@@ -30,7 +30,7 @@
     #include <components/files/linuxpath.hpp>
     namespace Files { typedef LinuxPath TargetPathType; }
 
-#elif defined(__WIN32) || defined(__WINDOWS__)
+#elif defined(__WIN32) || defined(__WINDOWS__) || defined (_WINDOWS)
     #include <components/files/windowspath.hpp>
     namespace Files { typedef WindowsPath TargetPathType; }
 

components/files/windowspath.cpp

@@ -5,7 +5,10 @@
 #include <cstring>
 
 #include <windows.h>
-#include <shobj.h>
+#include <shlobj.h>
+#include <Shlwapi.h>
+
+#pragma comment(lib, "Shlwapi.lib")
 
 namespace Files
 {