Remove leading "v" from user-agent string
diff --git a/provider_client.go b/provider_client.go
index 39fecc5..0dff2cf 100644
--- a/provider_client.go
+++ b/provider_client.go
@@ -11,7 +11,7 @@
 )
 
 // DefaultUserAgent is the default User-Agent string set in the request header.
-const DefaultUserAgent = "gophercloud/v1.0"
+const DefaultUserAgent = "gophercloud/1.0.0"
 
 // UserAgent represents a User-Agent header.
 type UserAgent struct {