build: treat crystalhd like other hwaccels

configure

@@ -1532,7 +1532,6 @@ EXTERNAL_LIBRARY_LIST="
     $EXTERNAL_LIBRARY_VERSION3_LIST
     $EXTERNAL_LIBRARY_GPLV3_LIST
     chromaprint
-    crystalhd
     gcrypt
     gnutls
     jni
@@ -1589,6 +1588,7 @@ EXTERNAL_LIBRARY_LIST="
 "
 HWACCEL_AUTODETECT_LIBRARY_LIST="
     audiotoolbox
+    crystalhd
     cuda
     cuvid
     d3d11va
@@ -3597,7 +3597,7 @@ done
 enable_weak audiotoolbox
 
 # Enable hwaccels by default.
-enable_weak d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
+enable_weak crystalhd d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
 enable_weak xlib
 
 enable_weak cuda cuvid nvenc vda_framework videotoolbox videotoolbox_encoder
@@ -5808,7 +5808,6 @@ enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion    -lbz2
 enabled  lzma && check_lib lzma   lzma.h lzma_version_number -llzma
 
 check_lib libm math.h sin -lm && LIBM="-lm"
-disabled crystalhd || check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
 
 atan2f_args=2
 copysign_args=2
@@ -6181,6 +6180,8 @@ enabled vdpau &&
 enabled vdpau &&
     check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
 
+enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
+
 if enabled x86; then
     case $target_os in
         mingw32*|mingw64*|win32|win64|linux|cygwin*)