Make resetSpentToday and setDailyLimit internal functions

contracts/DayLimit.sol

@@ -39,12 +39,12 @@ contract DayLimit {
   // METHODS
 
   // (re)sets the daily limit. doesn't alter the amount already spent today.
-  function setDailyLimit(uint _newLimit) external {
+  function _setDailyLimit(uint _newLimit) internal {
     dailyLimit = _newLimit;
   }
 
   // resets the amount already spent today.
-  function resetSpentToday() external {
+  function _resetSpentToday() internal {
     spentToday = 0;
   }
 

contracts/MultisigWallet.sol

@@ -84,11 +84,11 @@ contract MultisigWallet is Multisig, Shareable, DayLimit {
   }
 
   function setDailyLimit(uint _newLimit) onlymanyowners(sha3(msg.data)) external {
-    this.setDailyLimit(_newLimit);
+    _setDailyLimit(_newLimit);
   }
 
   function resetSpentToday() onlymanyowners(sha3(msg.data)) external {
-    this.resetSpentToday();
+    _resetSpentToday();
   }
 
 

contracts/test-helpers/DayLimitMock.sol

@@ -12,4 +12,12 @@ contract DayLimitMock is DayLimit {
     totalSpending += _value;
   }
 
+  function setDailyLimit(uint _newLimit) external {
+    _setDailyLimit(_newLimit);
+  }
+
+  function resetSpentToday() external {
+    _resetSpentToday();
+  }
+
 }