Fix base32 test

tests/base32_test.aer

@@ -23,7 +23,7 @@ class Base32 {
 		}
 		string[] $fiveBitBinaryArray = str_split($binaryString, 5);
 		string $base32 = '';
-		$i = 0;
+		int $i = 0;
 		while($i < sizeof($fiveBitBinaryArray)) {
 			$base32 += Base32::$map[base_convert(str_pad($fiveBitBinaryArray[$i], 5,'0'), 2, 10)];
 			$i++;
@@ -50,7 +50,7 @@ class Base32 {
 		$input = str_replace('=','', $input);
 		char[] $aInput = str_split($input);
 		string $binaryString = '';
-		for($i = 0; $i < sizeof($aInput); $i = $i + 8) {
+		for(int $i = 0; $i < sizeof($aInput); $i = $i + 8) {
 			string $x = '';
 			if(!in_array($input[$i], Base32::$map))
 				return '';