Added SetupCreateDiskSpaceList stub.

diff --git a/include/setupapi.h b/include/setupapi.h
index fe92dd0..f083558 100644
--- a/include/setupapi.h
+++ b/include/setupapi.h
@@ -37,6 +37,8 @@
 /* Define type for setup file queue */
 typedef PVOID HSPFILEQ;
 
+typedef PVOID HDSKSPC;
+
 /* inf structure. */
 typedef struct _INFCONTEXT
 {