vendor: update go-oidc to fix parsing panic

glide.lock

@@ -1,10 +1,10 @@
-hash: b0a1c1b400f077dac572450cb9602aabba62d9b7c6fc8ef426c2093de7621e8c
-updated: 2016-04-08T11:43:54.191409294-07:00
+hash: 2542cf3debe2db35e04c4cd29d8db83f7b52d90167f4e55be5a2b24f5b74c65b
+updated: 2016-04-25T17:06:03.25154684-07:00
 imports:
 - name: github.com/andybalholm/cascadia
   version: 6122e68c2642b7b75c538a63b15168c6c80fb757
 - name: github.com/coreos/go-oidc
-  version: 6039032c0b15517897116d333ead8edf38792437
+  version: 46fc3c20dcad27d27596c8832b354621bdd8b88f
   subpackages:
   - http
   - jose

glide.yaml

@@ -5,7 +5,7 @@ import:
 - package: github.com/andybalholm/cascadia
   version: 6122e68c2642b7b75c538a63b15168c6c80fb757
 - package: github.com/coreos/go-oidc
-  version: 6039032c0b15517897116d333ead8edf38792437
+  version: 46fc3c20dcad27d27596c8832b354621bdd8b88f
   subpackages:
   - http
   - jose

vendor/github.com/coreos/go-oidc/oidc/client.go

@@ -311,7 +311,9 @@ func (p *stickyErrParser) parseURIs(s []string, field string) []url.URL {
 			p.firstErr = fmt.Errorf("invalid URI in field %s", field)
 			return nil
 		}
-		uris[i] = *(p.parseURI(val, field))
+		if u := p.parseURI(val, field); u != nil {
+			uris[i] = *u
+		}
 	}
 	return uris
 }