modified last error printing in status

src/task/SteererTask.cpp

@@ -136,6 +136,7 @@ void data::operator = (const data & _src)
     this->get_index = GET_M_DATA;
     this->communication_error_counter = 0;
     this->m_steerer = 0;
+    this->last_error = "no error";
 
     //- configure optional msg handling
     this->enable_timeout_msg(false);
@@ -459,6 +460,7 @@ void data::operator = (const data & _src)
 	        try
 	        {
             this->m_steerer->axis(this->steerer_config.axis_number).clear_ferrors();
+            this->last_error = "No error";
 	        }
 	        catch(itest::ItestException &e)
 	        {
@@ -527,6 +529,7 @@ void data::operator = (const data & _src)
 	        try
 	        {
             this->m_steerer->axis(this->steerer_config.axis_number).clear_alarm();
+            this->last_error = "No error";
 	        }
 	        catch(itest::ItestException &e)
 	        {

src/task/SteererTask.h

@@ -144,7 +144,7 @@ public:
   std::string get_com_status (void)
   {
     //- TODO : optimiser ca! 
-    std::string s = last_error + "\n" + com_status;
+    std::string s = " last error: " + last_error + "\n" + com_status;
     return s;
   }