Fix mode processing.

Fixes Issue 1176


git-svn-id: http://svn.dmdirc.com/trunk@3962 00569f92-eb28-0410-84fd-f71c24880f

src/com/dmdirc/parser/ProcessMode.java

@@ -170,7 +170,7 @@ public class ProcessMode extends IRCProcessor {
 				} else {
 					
 					if (bPositive || nValue == IRCParser.MODE_LIST || ((nValue & IRCParser.MODE_UNSET) == IRCParser.MODE_UNSET)) {
-						if (sModestr.length <= nParam+1) {
+						if (sModestr.length <= nParam) {
 							myParser.callErrorInfo(new ParserError(ParserError.ERROR_FATAL, "Broken Modes. Parameter required but not given.", myParser.getLastLine()));
 						}
 					}