Fix issue #250, matio helper functions not found because of recent move of...

Fix issue #250, matio helper functions not found because of recent move of them to the Faust namespace + one typo.

misc/test/src/C++/hierarchical2020.cpp.in

@@ -52,6 +52,8 @@
 #include <iostream>
 #include <iomanip>
 
+using namespace Faust;
+
 /** \brief An example of using the hierarchical factorization of a dense matrix. from .mat file.
 * An dense matrix is loaded from "@FAUST_DATA_MAT_DIR@
 * \param MatrixFilename :  a .mat (MATLAB file) where the matrix to be factorized is stored (or its transposed (cf. parameter transposeMatrix))

misc/test/src/C++/hierarchicalFactorization.cpp.in

@@ -52,6 +52,8 @@
 #include <iostream>
 #include <iomanip>
 
+using namespace Faust;
+
 /** \brief An example of using the hierarchical factorization of a dense matrix. from .mat file.
 * An dense matrix is loaded from "@FAUST_DATA_MAT_DIR@
 * \param MatrixFilename :  a .mat (MATLAB file) where the matrix to be factorized is stored (or its transposed (cf. parameter transposeMatrix))

misc/test/src/C++/test_palm4MSA.cpp.in

@@ -53,6 +53,7 @@
 //#include "faust_ConstraintFPP.h"
 
 using namespace std;
+using namespace Faust;
 typedef @TEST_FPP@ FPP;
 typedef @TEST_FPP2@ FPP2;
 

src/utils/matio/faust_init_from_matio_core.hpp

@@ -59,7 +59,7 @@
 #include "faust_ConstraintMat.h"
 
 
-namespase Faust {
+namespace Faust {
 
 #ifdef COMPILE_GPU
     template<typename FPP>