in an evil twist of fate, lets only allow dinput7 in msvc - which allows gcc's dinput5 libraries to be usable.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@1528 fc73d0e0-1445-4013-8a0c-d673dee63da5

engine/client/in_win.c

@@ -31,12 +31,15 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #endif
 
 #ifndef NODIRECTX
-#include <dinput.h>
 
 #ifdef _MSC_VER
 #pragma comment (lib, "dxguid.lib")
+#else
+#define DIRECTINPUT_VERSION 0x0500
 #endif
 
+#include <dinput.h>
+
 #define DINPUT_BUFFERSIZE           16
 #define iDirectInputCreate(a,b,c,d)	pDirectInputCreate(a,b,c,d)