[chronojump] Added string "Absolute values" on force resultant exercise config

[Xavier de Blas <xaviblas src gnome org>]

commit da25edd30d2cefee3db71074eb1a33b4a9a27051
Author: Xavier de Blas <xaviblas gmail com>
Date:   Fri May 28 19:18:44 2021 +0200

    Added string "Absolute values" on force resultant exercise config

 src/gui/forceSensorExercise.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gui/forceSensorExercise.cs b/src/gui/forceSensorExercise.cs
index cf444a4a2..4b0e427f6 100644
--- a/src/gui/forceSensorExercise.cs
+++ b/src/gui/forceSensorExercise.cs
@@ -389,7 +389,7 @@ public class ForceSensorExerciseWindow
                if(o == Options.FORCE_SENSOR)
                        str = Catalog.GetString("When you are interested only in the force transmitted to the 
force sensor. This option do NOT take into account the effect of the weight or the acceleration of a mass.");
                else if(o == Options.FORCE_RESULTANT)
-                       str = Catalog.GetString("When you want the resultant of all the forces exerted by the 
person. This value is the vector module of the resultant force vector. This option allows to take into 
account the effect of the weight or the acceleration of a mass.");
+                       str = Catalog.GetString("When you want the resultant of all the forces exerted by the 
person. This value is the vector module of the resultant force vector. This option allows to take into 
account the effect of the weight or the acceleration of a mass.") + " " + Catalog.GetString("The result will 
always be in absolute values.");
                else if(o == Options.FIXATION_ELASTIC)
                        str = Catalog.GetString("If, exerting a force, some element is significantly 
elongated it means that you are using elastic elements. Knowing the characteristics of the elastic elements 
allows to calculate positions, velocities and accelerations during the exercise");
                else if(o == Options.FIXATION_NOT_ELASTIC)