Fixed documentation comment of H5A.get_type

[myd7349]

The documentation comment of H5A.get_type seems incorrect:

HDF.PInvoke/HDF5/H5Apublic.cs

Lines 628 to 641 in d281aa7

	public extern static hsize_t get_storage_size(hid_t attr_id);
	/// <summary>
	/// Returns the amount of storage required for an attribute.
	/// See https://www.hdfgroup.org/HDF5/doc/RM/RM_H5A.html#Annot-GetType
	/// </summary>
	/// <param name="attr_id">Identifier of an attribute.</param>
	/// <returns>Returns a datatype identifier if successful; otherwise
	/// returns a negative value.</returns>
	[DllImport(Constants.DLLFileName, EntryPoint = "H5Aget_type",
	CallingConvention = CallingConvention.Cdecl),
	SuppressUnmanagedCodeSecurity, SecuritySafeCritical]
	public extern static hid_t get_type(hid_t attr_id);

Fix it according to: https://portal.hdfgroup.org/display/HDF5/H5A_GET_TYPE