[chronojump] Added one translatable string

[Xavier de Blas <xaviblas src gnome org>]

commit d163e11493a78a70859c01f21fafcbe21a05bd57
Author: Xavier de Blas <xaviblas gmail com>
Date:   Fri Mar 22 19:08:50 2019 +0100

    Added one translatable string

 src/gui/encoder.cs     | 4 ++--
 src/gui/forceSensor.cs | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/gui/encoder.cs b/src/gui/encoder.cs
index a0f2c28a..ba37bc43 100644
--- a/src/gui/encoder.cs
+++ b/src/gui/encoder.cs
@@ -873,7 +873,7 @@ public partial class ChronoJumpWindow
        {
                if(! selectedEncoderExerciseExists())
                {
-                       new DialogMessage(Constants.MessageTypes.WARNING, "Need to create/select an 
exercise.");
+                       new DialogMessage(Constants.MessageTypes.WARNING, Catalog.GetString("Need to 
create/select an exercise."));
                        return;
                }
 
@@ -4474,7 +4474,7 @@ public partial class ChronoJumpWindow
        {
                if(! selectedEncoderExerciseExists())
                {
-                       new DialogMessage(Constants.MessageTypes.WARNING, "Need to create/select an 
exercise.");
+                       new DialogMessage(Constants.MessageTypes.WARNING, Catalog.GetString("Need to 
create/select an exercise."));
                        return;
                }
 
diff --git a/src/gui/forceSensor.cs b/src/gui/forceSensor.cs
index 6c4492df..81b35e3a 100644
--- a/src/gui/forceSensor.cs
+++ b/src/gui/forceSensor.cs
@@ -1582,7 +1582,7 @@ LogB.Information(" re R ");
        {
                if(UtilGtk.ComboGetActive(combo_force_sensor_exercise) == "")
                {
-                       new DialogMessage(Constants.MessageTypes.WARNING, "Need to create/select an 
exercise.");
+                       new DialogMessage(Constants.MessageTypes.WARNING, Catalog.GetString("Need to 
create/select an exercise."));
                        return;
                }