rtmp: fixed order of struct declarations in amf_headers.go to match that of amf.h under C librtmp?

rtmp/amf_headers.go

@@ -53,6 +53,10 @@ const (
 	AMF_INVALID = 0xff
 )
 
+// typedef enum
+// amf.h +40
+type C_AMFDataType int32
+
 // typedef struct C_AVal
 // amf.h +57
 type C_AVal struct {
@@ -60,10 +64,6 @@ type C_AVal struct {
 	av_len int32
 }
 
-// typedef enum
-// amf.h +40
-type C_AMFDataType int32
-
 // typedef struct AMF_Object
 // amf.h +67
 type C_AMFObject struct {
@@ -71,6 +71,14 @@ type C_AMFObject struct {
 	o_props *C_AMFObjectProperty
 }
 
+// typedef struct P_vu
+// amf.h +73
+type P_vu struct {
+	p_number float64
+	p_aval   C_AVal
+	p_object C_AMFObject
+}
+
 // typedef struct AMFObjectProperty
 // amf.h +79
 type C_AMFObjectProperty struct {
@@ -79,11 +87,3 @@ type C_AMFObjectProperty struct {
 	p_vu        P_vu
 	p_UTCoffset int16
 }
-
-// typedef struct P_vu
-// amf.h +73
-type P_vu struct {
-	p_number float64
-	p_aval   C_AVal
-	p_object C_AMFObject
-}