Fixed bug with global `tags` in rc.lua

awful.wibox.tasklist was overwritting `tags` variable breaking all the
functionality which uses it.

Signed-off-by: Arvydas Sidorenko <asido4@gmail.com>
Signed-off-by: Uli Schlachter <psychon@znc.in>

awesomerc.lua.in

@@ -71,7 +71,7 @@ local layouts =
 
 -- {{{ Tags
 -- Define a tag table which hold all screen tags.
-local tags = {}
+tags = {}
 for s = 1, screen.count() do
     -- Each screen has its own tag table.
     tags[s] = awful.tag({ 1, 2, 3, 4, 5, 6, 7, 8, 9 }, s, layouts[1])

lib/awful/widget/tasklist.lua.in

@@ -167,7 +167,7 @@ function tasklist.filter.currenttags(c, screen)
     if c.screen ~= screen then return false end
     -- Include sticky client too
     if c.sticky then return true end
-    tags = capi.screen[screen]:tags()
+    local tags = capi.screen[screen]:tags()
     for k, t in ipairs(tags) do
         if t.selected then
             local ctags = c:tags()
@@ -192,7 +192,7 @@ function tasklist.filter.minimizedcurrenttags(c, screen)
     if c.sticky then return true end
     -- Check client is minimized
     if not c.minimized then return false end
-    tags = capi.screen[screen]:tags()
+    local tags = capi.screen[screen]:tags()
     for k, t in ipairs(tags) do
         -- Select only minimized clients
         if t.selected then