cmake: Add libRIST to copied Windows libs

Required for #5467 and https://github.com/obsproject/obs-deps/pull/86

cmake/Modules/CopyMSVCBins.cmake

@@ -94,6 +94,11 @@ file(GLOB FFMPEG_BIN_FILES
 	"${FFMPEG_avcodec_INCLUDE_DIR}/../bin/libaom.dll"
 	"${FFMPEG_avcodec_INCLUDE_DIR}/bin/libaom.dll"
 
+	"${FFMPEG_avcodec_INCLUDE_DIR}/../bin${_bin_suffix}/librist.dll"
+	"${FFMPEG_avcodec_INCLUDE_DIR}/bin${_bin_suffix}/librist.dll"
+	"${FFMPEG_avcodec_INCLUDE_DIR}/../bin/librist.dll"
+	"${FFMPEG_avcodec_INCLUDE_DIR}/bin/librist.dll"
+
 	"${FFMPEG_avcodec_INCLUDE_DIR}/../bin${_bin_suffix}/libbz2*.dll"
 	"${FFMPEG_avcodec_INCLUDE_DIR}/../bin${_bin_suffix}/zlib*.dll"
 	"${FFMPEG_avcodec_INCLUDE_DIR}/bin${_bin_suffix}/libbz2*.dll"