Fix error message typo "unkniwn" -> "unknown".
commitaab59e40d961057e99d69d460a811575005b3bbd
authorsveinung <sveinung@a0f10bec-cc02-0410-94fc-a9cfff90b4cd>
Sun, 7 May 2017 10:56:46 +0000 (7 10:56 +0000)
committersveinung <sveinung@a0f10bec-cc02-0410-94fc-a9cfff90b4cd>
Sun, 7 May 2017 10:56:46 +0000 (7 10:56 +0000)
treeff01b42eb5deec88bf7e24d37e5ce61cce4e4e15
parentd7d44449e2c7a29a1e3e2947e9b0fb7d736c9d81
Fix error message typo "unkniwn" -> "unknown".

See hrm Bug #657821

git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@35438 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
server/ruleset.c