headers: Import propvarutil.h from wine

This reverts d603db2c1544a26c7e1153208b660f1c0f0f21d7 commit.
The added functions are required for qt6-multimedia v6.2.0.

Signed-off-by: Biswapriyo Nath <nathbappai@gmail.com>
Signed-off-by: LIU Hao <lh_mouse@126.com>

mingw-w64-headers/wine-import.sh

diff --git a/mingw-w64-headers/wine-import.sh b/mingw-w64-headers/wine-import.sh
index a1b80a8..f0c998f 100755
--- a/mingw-w64-headers/wine-import.sh
+++ b/mingw-w64-headers/wine-import.sh
@@ -113,6 +113,7 @@
 	mscat.h \
 	propkeydef.h \
 	propkey.h \
+	propvarutil.h \
 	rpcsal.h \
 	t2embapi.h \
 	uiautomationcoreapi.h \