capital letters in arena cfg search

[Former user]

currently, you can have capital letters in directory names for each arena. those show up properly on ?arena -a however, upon arena entry the default arena settings are loaded

chances are someone forgot to use strcasecmp()

[Former user]

i created this

[Former user]

it might be that the proper thing is to ignore arena dirs with uppercase. I forget how the client/protocol works for that.

[Former user]

or to tolower() before use