[Java] Added final to arguments.

Author: mjpt777

sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/GenerationUtil.java

@@ -29,17 +29,17 @@ private GenerationUtil()
  {
  }
 
- public static int collectFields(final List<Token> tokens, int index, final List<Token> fields)
+ public static int collectFields(final List<Token> tokens, final int index, final List<Token> fields)
  {
  return collect(Signal.BEGIN_FIELD, tokens, index, fields);
  }
 
- public static int collectGroups(final List<Token> tokens, int index, final List<Token> groups)
+ public static int collectGroups(final List<Token> tokens, final int index, final List<Token> groups)
  {
  return collect(Signal.BEGIN_GROUP, tokens, index, groups);
  }
 
- public static int collectVarData(final List<Token> tokens, int index, final List<Token> varData)
+ public static int collectVarData(final List<Token> tokens, final int index, final List<Token> varData)
  {
  return collect(Signal.BEGIN_VAR_DATA, tokens, index, varData);
  }