Renamed string.gfind to string.gmatch

Lua 5.1: string.gfind renamed to string.gmatch
Lua 5.2: string.gfind removed

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

lib/menubar/utils.lua.in

@@ -150,7 +150,7 @@ function utils.parse(file)
     -- line separated by semicolon.
     if program.Categories then
         program.categories = {}
-        for category in program.Categories:gfind('[^;]+') do
+        for category in program.Categories:gmatch('[^;]+') do
             table.insert(program.categories, category)
         end
     end