headers: Import ctxtcall.idl from wine

Signed-off-by: Biswapriyo Nath <nathbappai@gmail.com>
Signed-off-by: LIU Hao <lh_mouse@126.com>
diff --git a/mingw-w64-headers/wine-import.sh b/mingw-w64-headers/wine-import.sh
index a9e55d4..dda1eca 100755
--- a/mingw-w64-headers/wine-import.sh
+++ b/mingw-w64-headers/wine-import.sh
@@ -141,6 +141,7 @@
 	bits3_0 \
 	bits5_0 \
 	ctfutb \
+	ctxtcall \
 	d3d10 \
 	d3d10_1 \
 	d3d10sdklayers \