configure: Check if ID3D11VideoDecoder exists, not just the header to enable d3d11va

Fixes build with "mingw-w64-x86-64-dev 3.2.0-2"

Tested-by: jamrial
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

configure

@@ -1815,6 +1815,7 @@ TOOLCHAIN_FEATURES="
 TYPES_LIST="
     CONDITION_VARIABLE_Ptr
     DXVA_PicParams_HEVC
+    ID3D11VideoDecoder
     socklen_t
     struct_addrinfo
     struct_group_source_req
@@ -2319,7 +2320,7 @@ zmbv_encoder_select="zlib"
 
 # hardware accelerators
 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
-d3d11va_deps="d3d11_h dxva_h"
+d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
 dxva2_deps="dxva2api_h"
 vaapi_deps="va_va_h"
 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
@@ -4992,6 +4993,7 @@ check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
 
 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
+check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
 
 if ! disabled w32threads && ! enabled pthreads; then
     check_func_headers "windows.h process.h" _beginthreadex &&