Add Xbox One port.

src/lj_arch.h

@@ -120,6 +120,13 @@
 #define LJ_TARGET_CONSOLE	1
 #endif
 
+#ifdef _DURANGO
+#define LJ_TARGET_XBOXONE	1
+#define LJ_TARGET_CONSOLE	1
+#define LJ_TARGET_GC64		1
+#define LoadLibraryA(name)      LoadLibraryExA((name), NULL, 0)
+#endif
+
 #define LJ_NUMMODE_SINGLE	0	/* Single-number mode only. */
 #define LJ_NUMMODE_SINGLE_DUAL	1	/* Default to single-number mode. */
 #define LJ_NUMMODE_DUAL		2	/* Dual-number mode only. */