Checks if files, used as input when pre-processing MPL-containers in their variadic form, need fixing.

def check_input_files_for_variadic_seq(headerDir, sourceDir):
    """Checks if files, used as input when pre-processing MPL-containers in their variadic form, need fixing."""
    # Check input files in include/source-directories.
    files  = glob.glob( os.path.join( headerDir, "*.hpp" ) )
    files += glob.glob( os.path.join( headerDir, "aux_", "*.hpp" ) )
    files += glob.glob( os.path.join( sourceDir, "src", "*" ) )
    for currentFile in sorted( files ):
        if check_header_comment( currentFile ):
            return True
    return False