Fixed variable scoping issue which can lead to out of memory error.

Author: shaunhardy

src/Phpforce/SoapClient/Soap/SoapClient.php

@@ -26,6 +26,7 @@ public function getSoapTypes()
 
             $soapTypes = $this->__getTypes();
             foreach ($soapTypes as $soapType) {
+                $properties = array();
                 $lines = explode("\n", $soapType);
                 if (!preg_match('/struct (.*) {/', $lines[0], $matches)) {
                     continue;