python.pkgs.libusb1: fix build

pkgs/development/python-modules/libusb1/default.nix

···
   postPatch = lib.optionalString stdenv.isLinux ''
     substituteInPlace usb1/libusb1.py --replace \
       "ctypes.util.find_library(base_name)" \
-      "'${libusb1}/lib/libusb${stdenv.hostPlatform.extensions.sharedLibrary}'"
+      "'${libusb1}/lib/libusb-1.0${stdenv.hostPlatform.extensions.sharedLibrary}'"
   '';
 
   buildInputs = [ libusb1 ];