Add faust matio module in include directories of the python wrapper building script.

wrapper/python/CMakeLists.txt

@@ -117,6 +117,7 @@ set(FAUST_PYTHON_INCLUDE_DIR "'${EIGEN_INC_DIR}',
 '${FAUST_ALGORITHM_CONSTRAINT_SRC_DIR}',
 '${FAUST_ALGORITHM_FACTORIZATION_SRC_DIR}',
 '${FAUST_UTILS_SRC_DIR}',
+'${FAUST_UTILS_SRC_DIR}/matio',
 '${MATIO_INC_DIR}'")