treewide: xvfb_run -> xvfb-run

pkgs/development/libraries/libhandy/0.x.nix

@@ -1,7 +1,7 @@
 { lib, stdenv, fetchFromGitLab, meson, ninja, pkg-config, gobject-introspection, vala
 , gtk-doc, docbook_xsl, docbook_xml_dtd_43
 , gtk3, gnome
-, dbus, xvfb_run, libxml2
+, dbus, xvfb-run, libxml2
 , hicolor-icon-theme
 }:
 
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     gtk-doc docbook_xsl docbook_xml_dtd_43
   ];
   buildInputs = [ gnome.gnome-desktop gtk3 libxml2 ];
-  checkInputs = [ dbus xvfb_run hicolor-icon-theme ];
+  checkInputs = [ dbus xvfb-run hicolor-icon-theme ];
 
   mesonFlags = [
     "-Dgtk_doc=true"

pkgs/development/libraries/libhandy/default.nix

@@ -13,7 +13,7 @@
 , enableGlade ? false
 , glade
 , dbus
-, xvfb_run
+, xvfb-run
 , libxml2
 , gdk-pixbuf
 , librsvg
@@ -65,7 +65,7 @@ stdenv.mkDerivation rec {
 
   checkInputs = [
     dbus
-    xvfb_run
+    xvfb-run
     at-spi2-atk
     at-spi2-core
     librsvg