examples: Link to SDL integer types in code examples, too.

examples/highlight-plugin.lua

···
     -- SDL keywords start with SDL_
     -- if this pattern applies to the token, we return the URL
     -- if we return nothing, the token is outputted as is
-    if string.find(token, "SDL_")==1 then
+    if ( (token == "Uint8") or (token == "Uint16") or (token == "Uint32") or (token == "Uint64") or
+         (token == "Sint8") or (token == "Sint16") or (token == "Sint32") or (token == "Sint64") or
+         (string.find(token, "SDL_") == 1) ) then
       return getURL(token)
     end