pkg-autotools: fixup pkg_CONFIGURE_CMDS after DISABLE_DOCUMENTATION removal

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/pkg-autotools.mk

@@ -114,7 +114,7 @@ define $(2)_CONFIGURE_CMDS
 		--disable-docs \
 		--disable-documentation \
 		--with-xmlto=no \
-		--with-fop=no
+		--with-fop=no \
 		$$(DISABLE_NLS) \
 		$$(DISABLE_LARGEFILE) \
 		$$(DISABLE_IPV6) \