themes/freifunk-generic: fix error with version string display in header on BB

themes/luci-theme-freifunk-generic/luasrc/view/themes/freifunk-generic/header.htm

@@ -10,6 +10,7 @@
 	local util = require "luci.util"
 	local http = require "luci.http"
 	local disp = require "luci.dispatcher"
+	local version = require "luci.version"
 
 	local sysinfo = util.ubus("system", "info") or { }
 	local loadinfo = sysinfo.load or { 0, 0, 0 }
@@ -122,7 +123,7 @@
 			<%end%>
 		</div>
 		<div class="header_right">
-			<%=luci.version.distversion%><br />
+			<%=version.distversion%><br />
 			<%:Load%>: <%="%.2f" % (loadinfo[1] / 65535.0)%> <%="%.2f" % (loadinfo[2] / 65535.0)%> <%="%.2f" % (loadinfo[3] / 65535.0)%><br />
 			<%:Hostname%>: <%=boardinfo.hostname or "?"%><br />
 			<span id="xhr_poll_status" style="display:none" onclick="XHR.running() ? XHR.halt() : XHR.run()">