contrib: dvdread: disable package not usable on Winstore builds

uses LoadLibraryEx and LOAD_WITH_ALTERED_SEARCH_PATH which are not available
(even in winstorecompat)
uses SetErrorMode and LOAD_WITH_ALTERED_SEARCH_PATH which are only available
in 16299

contrib/src/dvdread/rules.mak

@@ -4,9 +4,11 @@ LIBDVDREAD_URL := $(VIDEOLAN)/libdvdread/$(LIBDVDREAD_VERSION)/libdvdread-$(LIBD
 
 ifdef BUILD_DISCS
 ifdef GPL
+ifndef HAVE_WINSTORE
 PKGS += dvdread
 endif
 endif
+endif
 ifeq ($(call need_pkg,"dvdread >= 6.0.0"),)
 PKGS_FOUND += dvdread
 endif