Add drm_u64_t typedef on non-linux to fix libdrm build.
diff --git a/shared-core/drm.h b/shared-core/drm.h
index 16e8626..9efb1dc 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -139,6 +139,8 @@
 
 typedef unsigned int drm_handle_t;
 #else
+#include <sys/types.h>
+typedef u_int64_t drm_u64_t;
 typedef unsigned long drm_handle_t;	/**< To mapped regions */
 #endif
 typedef unsigned int drm_context_t;	/**< GLXContext handle */