reflect: Comment fix

Change-Id: I86cdd5c1d7b6f76d3474d180e75ea0c732241080
Reviewed-on: https://go-review.googlesource.com/16309Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

src/reflect/type.go

@@ -735,10 +735,10 @@ func (t *interfaceType) MethodByName(name string) (m Method, ok bool) {
 // A StructField describes a single field in a struct.
 type StructField struct {
 	// Name is the field name.
+	Name string
 	// PkgPath is the package path that qualifies a lower case (unexported)
 	// field name.  It is empty for upper case (exported) field names.
 	// See https://golang.org/ref/spec#Uniqueness_of_identifiers
-	Name    string
 	PkgPath string
 
 	Type      Type      // field type