Don't initialize variables with default value

[code423n4]

Handle

pmerkleplant

Vulnerability details

Impact

If a variable is not initialized, it is assumed to have the default value.
Explicitly initalizing a variable with its default value costs unnecessary gas.

For more info, see Mudit Gupta's Blog at point "No need to initialize variables with default values".

Therefore, following variable declarations could be refactored:

./CreditLine/CreditLine.sol:484: for (uint256 _index = 0; _index < _strategyList.length; _index++)
./CreditLine/CreditLine.sol:662: for (uint256 _index = 0; _index < _strategyList.length; _index++)
./CreditLine/CreditLine.sol:738: for (uint256 _index = 0; _index < _strategyList.length; _index++)
./CreditLine/CreditLine.sol:812: uint256 _principalPaid = 0;
./CreditLine/CreditLine.sol:892: for (uint256 index = 0; index < _strategyList.length; index++)
./CreditLine/CreditLine.sol:959: for (uint256 index = 0; index < _strategyList.length; index++)
./Pool/Pool.sol:359: uint256 _collateralShares = 0;
./SavingsAccount/SavingsAccount.sol:289: for (uint256 i = 0; i < _strategyList.length; i++)
./SavingsAccount/SavingsAccount.sol:467: for (uint256 i = 0; i < _strategyList.length; i++)

Tools used

grep

[ritik99]

Duplicate of #36 since both issues are regarding unnecessary initializations. Hence the issue is the same although the location of the issue mentioned in both places is different