refs #3925 fixing unix warnings

Code/Mantid/Framework/MDAlgorithms/src/ConvertToQNDany.cpp

@@ -221,6 +221,8 @@ void ConvertToQNDany::exec(){
     std::vector<std::string> dim_selected;
     known_algorithms algo_id = identify_requested_alg(dim_names_availible, Q_dim_requested,other_dim,n_activated_dimensions);
 
+    // call selected algorithm. 
+    alg_selector[algo_id](this);
     return;
    
 }

Code/Mantid/Framework/MDAlgorithms/test/ConvertToQNDanyTest.h

@@ -212,7 +212,8 @@ void testFuncSelector()
 void testExecSelection()
 {
     
-    TS_ASSERT_THROWS_NOTHING(pAlg->execute());
+    pAlg->setRethrows(true);
+    TS_ASSERT_THROWS(pAlg->execute(),Kernel::Exception::NotImplementedError);
 }