guvcview: format arguments

pkgs/os-specific/linux/guvcview/default.nix

@@ -1,6 +1,21 @@
-{ config, stdenv, fetchurl, intltool, pkgconfig
+{ config
-, gtk3, portaudio, SDL2, ffmpeg, udev, libusb1, libv4l, alsaLib, gsl, wrapGAppsHook
+, stdenv
-, pulseaudioSupport ? config.pulseaudio or stdenv.isLinux, libpulseaudio ? null }:
+, fetchurl
+, intltool
+, pkgconfig
+, gtk3
+, portaudio
+, SDL2
+, ffmpeg
+, udev
+, libusb1
+, libv4l
+, alsaLib
+, gsl
+, wrapGAppsHook
+, pulseaudioSupport ? config.pulseaudio or stdenv.isLinux
+, libpulseaudio ? null
+}:
 
 assert pulseaudioSupport -> libpulseaudio != null;