Merge pull request #34 from sharwell/fix-33

Set X-Auth-Token header with indexer instead of Add()

Author: alanquillin

src/corelib/Providers/Rackspace/GeographicalCloudIdentityProvider.cs

@@ -431,7 +431,7 @@ protected T ExecuteRESTRequest<T>(CloudIdentity identity, string urlPath, HttpMe
             var headers = new Dictionary<string, string>();
 
             if (!isTokenRequest)
-                headers.Add("X-Auth-Token", string.IsNullOrWhiteSpace(token) ? GetToken(identity) : token);
+                headers["X-Auth-Token"] = string.IsNullOrWhiteSpace(token) ? GetToken(identity) : token;
 
             string bodyStr = null;
             if (body != null)

src/corelib/Providers/Rackspace/ProviderBase.cs

@@ -78,7 +78,7 @@ private T ExecuteRESTRequest<T>(CloudIdentity identity, Uri absoluteUri, HttpMet
             if (headers == null)
                 headers = new Dictionary<string, string>();
 
-            headers.Add("X-Auth-Token", IdentityProvider.GetToken(identity, isRetry));
+            headers["X-Auth-Token"] = IdentityProvider.GetToken(identity, isRetry);
 
             string bodyStr = null;
             if (body != null)
@@ -122,7 +122,7 @@ protected Response StreamRESTRequest(CloudIdentity identity, Uri absoluteUri, Ht
             if (headers == null)
                 headers = new Dictionary<string, string>();
 
-            headers.Add("X-Auth-Token", IdentityProvider.GetToken(identity, isRetry));
+            headers["X-Auth-Token"] = IdentityProvider.GetToken(identity, isRetry);
 
             if (string.IsNullOrWhiteSpace(requestSettings.UserAgent))
                 requestSettings.UserAgent = GetUserAgentHeaderValue();