Revert "Move the definition of some ValueHelper<...>::TypeId to avoid link issues"

This solution worked only for win32 systems, and
created link errors for unix systems...

This reverts commit e7e487ebdf9c550742d4c9525bbb151e25437393.

include/dynamic-graph/value.h

@@ -114,14 +114,6 @@ namespace dynamicgraph {
 	static const Value::Type TypeID;
       };
 
-    template<> const Value::Type ValueHelper<bool>::TypeID = Value::BOOL;
-    template<> const Value::Type ValueHelper<unsigned>::TypeID = Value::UNSIGNED;
-    template<> const Value::Type ValueHelper<int>::TypeID = Value::INT;
-    template<> const Value::Type ValueHelper<float>::TypeID = Value::FLOAT;
-    template<> const Value::Type ValueHelper<double>::TypeID = Value::DOUBLE;
-    template<> const Value::Type ValueHelper<std::string>::TypeID = Value::STRING;
-    template<> const Value::Type ValueHelper<Vector>::TypeID = Value::VECTOR;
-    template<> const Value::Type ValueHelper<Matrix>::TypeID = Value::MATRIX;
   } // namespace command
 } //namespace dynamicgraph
 

src/command/value.cpp

@@ -322,5 +322,16 @@ namespace dynamicgraph {
       }
       return os;
     }
+
+    /* ---- HELPER ---------------------------------------------------------- */
+    template<> const Value::Type ValueHelper<bool>::TypeID = Value::BOOL;
+    template<> const Value::Type ValueHelper<unsigned>::TypeID = Value::UNSIGNED;
+    template<> const Value::Type ValueHelper<int>::TypeID = Value::INT;
+    template<> const Value::Type ValueHelper<float>::TypeID = Value::FLOAT;
+    template<> const Value::Type ValueHelper<double>::TypeID = Value::DOUBLE;
+    template<> const Value::Type ValueHelper<std::string>::TypeID = Value::STRING;
+    template<> const Value::Type ValueHelper<Vector>::TypeID = Value::VECTOR;
+    template<> const Value::Type ValueHelper<Matrix>::TypeID = Value::MATRIX;
+
   } // namespace command
 } //namespace dynamicgraph