Switch content type depending on SOAP version.

SOAP 1.1 uses a different content type than SOAP 1.2 so we should switch accordingly. Current version assumes 1.2.

Author: kasperg

src/VCR/LibraryHooks/Soap.php

@@ -57,7 +57,8 @@ public function doRequest($request, $location, $action, $version, $one_way = 0)
  }
 
  $vcrRequest = new Request('POST', $location);
- $vcrRequest->addHeader('Content-Type', 'application/soap+xml; charset=utf-8; action="' . $action . '"');
+ $contentType = ($version == SOAP_1_2) ? 'application/soap+xml' : 'text/xml';
+ $vcrRequest->addHeader('Content-Type', $contentType . '; charset=utf-8; action="' . $action . '"');
  $vcrRequest->setBody($request);
 
  $handleRequestCallback = self::$handleRequestCallback;