[Gui] DlgGeneral.ui

- add newlines to very long tooltip

src/Gui/DlgGeneral.ui

@@ -105,7 +105,10 @@
          <item row="1" column="2">
           <widget class="Gui::PrefCheckBox" name="SubstituteDecimal">
            <property name="toolTip">
-            <string>If enabled, numerical keypad decimal separator will be substituted with locale separator, except in Python Console and Macro Editor where a dot/period will always be printed.</string>
+            <string>If enabled, numerical keypad decimal separator
+will be substituted with locale separator, except
+in Python Console and Macro Editor where a
+dot/period will always be printed.</string>
            </property>
            <property name="text">
             <string>Substitute decimal separator (numpad)</string>