gnu: cups-filters: Sort inputs.

* gnu/packages/cups.scm (cups-filters) [inputs]: Sort.

Change-Id: I0c9527ae72bc569030aa49a2f003e0061e3af20b

gnu/packages/cups.scm

@@ -215,22 +215,22 @@ driver is known to work with these printers:
     (inputs
      (list avahi
            coreutils
+           cups-minimal
+           dbus
+           font-dejavu                  ;also needed by test suite
            fontconfig
            freetype
-           font-dejavu                  ; also needed by test suite
            ghostscript/cups
+           glib
            grep
            ijs
-           dbus
            lcms
            libjpeg-turbo
            libpng
            libtiff
-           glib
-           qpdf
            poppler
-           sed
-           cups-minimal))
+           qpdf
+           sed))
     (home-page "https://wiki.linuxfoundation.org/openprinting/cups-filters")
     (synopsis "OpenPrinting CUPS filters and backends")
     (description