Add libusb dll to Windows binary

So that Trezor still works...

Closes: spesmilo#3931

contrib/build-wine/deterministic.spec

@@ -34,8 +34,11 @@ datas += collect_data_files('trezorlib')
 datas += collect_data_files('btchip')
 datas += collect_data_files('keepkeylib')
 
+# Add libusb binary
+binaries = [("c:/python3.5.4/libusb-1.0.dll", ".")]
+
 # Workaround for "Retro Look":
-binaries = [b for b in collect_dynamic_libs('PyQt5') if 'qwindowsvista' in b[0]]
+binaries += [b for b in collect_dynamic_libs('PyQt5') if 'qwindowsvista' in b[0]]
 
 # We don't put these files in to actually include them in the script but to make the Analysis method scan them for imports
 a = Analysis([home+'electrum-ftc',

contrib/build-wine/prepare-wine.sh

@@ -3,6 +3,10 @@
 # Please update these carefully, some versions won't work under Wine
 NSIS_URL=https://prdownloads.sourceforge.net/nsis/nsis-3.02.1-setup.exe?download
 NSIS_SHA256=736c9062a02e297e335f82252e648a883171c98e0d5120439f538c81d429552e
+
+LIBUSB_URL=https://prdownloads.sourceforge.net/project/libusb/libusb-1.0/libusb-1.0.21/libusb-1.0.21.7z?download
+LIBUSB_SHA256=acdde63a40b1477898aee6153f9d91d1a2e8a5d93f832ca8ab876498f3a6d2b8
+
 PYTHON_VERSION=3.5.4
 
 ## These settings probably don't need change
@@ -79,7 +83,6 @@ $PYTHON -m pip install PyQt5
 ## Install pyinstaller
 #$PYTHON -m pip install pyinstaller==3.3
 
-
 # Install ZBar
 #wget -q -O zbar.exe "https://sourceforge.net/projects/zbar/files/zbar/0.10/zbar-0.10-setup.exe/download"
 #wine zbar.exe
@@ -101,6 +104,11 @@ wget -q -O nsis.exe "$NSIS_URL"
 verify_hash nsis.exe $NSIS_SHA256
 wine nsis.exe /S
 
+wget -q -O libusb.7z "$LIBUSB_URL"
+verify_hash libusb.7z "$LIBUSB_SHA256"
+7z x -olibusb libusb.7z
+cp libusb/MS32/dll/libusb-1.0.dll $WINEPREFIX/drive_c/python$PYTHON_VERSION/
+
 (cd $WINEPREFIX/drive_c && p7zip -d /tmp/mingw32.7z)
 # add .bat file that exposes host's git describe in wine
 printf '%s\r\n%s\r\n' '@echo off' 'cmd /c /bin/bash -c "git describe --dirty"' \