gnu: git: Fix missing native-inputs after commit ccb62d8feb.

* gnu/packages/version-control.scm (git)[native-inputs]: Restore
native-inputs to what they were prior to the merge commit ccb62d8feb.

Signed-off-by: Andreas Enge <andreas@enge.fr>

gnu/packages/version-control.scm

@@ -255,9 +255,12 @@ (define-public git
             "09cva868qb4705s884dzvbwkm78jlw4q8m6xj7nd7cwxy2i2ff8b"))))
       ;; For subtree documentation.
       ("asciidoc" ,asciidoc)
+      ("docbook2x" ,docbook2x)
       ("docbook-xsl" ,docbook-xsl)
-      ("xmlto" ,xmlto)
-      ("pkg-config" ,pkg-config)))
+      ("libxslt" ,libxslt)
+      ("pkg-config" ,pkg-config)
+      ("texinfo" ,texinfo)
+      ("xmlto" ,xmlto)))
    (inputs
     `(("curl" ,curl)
       ("expat" ,expat)