Merge pull request #4234 from deathbeam/fail-less-on-config-corrupt

Do not explode on illegal unicode char in settings

runelite-client/src/main/java/net/runelite/client/config/ConfigManager.java

@@ -185,7 +185,7 @@ public class ConfigManager
 		{
 			log.debug("Unable to load settings - no such file");
 		}
-		catch (IOException ex)
+		catch (IllegalArgumentException | IOException ex)
 		{
 			log.warn("Unable to load settings", ex);
 		}