About the Radius protocol source code

["Kevin Cai" <googol4u@yahoo.com.cn>]

Something about the source code in radproto.cxx

RadiusAttr::RadiusAttr(
        unsigned char attrType, /// Attribute Type (see #enum AttrTypes#)
        int intValue /// 32 bit integer to be stored in the attribute Value
        )
{
        data[0] = attrType;
        data[1] = FixedHeaderLength + 4;

        if( attrType == VendorSpecific )
                PAssertAlways( PInvalidParameter );

        data[FixedHeaderLength+0] = (BYTE)((intValue>>24) & 0xff);
        data[FixedHeaderLength+1] = (BYTE)((intValue>>16) & 0xff);
        data[FixedHeaderLength+2] = (BYTE)((intValue>>8) & 0xff);
        data[FixedHeaderLength+3] = (BYTE)(intValue & 0xff);
}

Is it necessary to do a byte-ordering change (htonl)  to the value "intValue" in this function? why? 
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