remove omitempty from connectiontype

Author: bosong

device.go

@@ -26,7 +26,7 @@ type Device struct {
 	Language   string    `json:"language,omitempty"`       // Browser language
 	Carrier    string    `json:"carrier,omitempty"`        // Carrier or ISP derived from the IP address
 	MCCMNC     string    `json:"mccmnc,omitempty"`         // Mobile carrier as the concatenated MCC-MNC code (e.g., "310-005" identifies Verizon Wireless CDMA in the USA).
-	ConnType   int       `json:"connectiontype,omitempty"` // Network connection type.
+	ConnType   int       `json:"connectiontype"` // Network connection type.
 	IFA        string    `json:"ifa,omitempty"`            // Native identifier for advertisers
 	IDSHA1     string    `json:"didsha1,omitempty"`        // SHA1 hashed device ID
 	IDMD5      string    `json:"didmd5,omitempty"`         // MD5 hashed device ID