Fixes CLIENT-158

Change-Id: I98f3031be6fbcd7ceb139dfc88d361e60105ca00
Reviewed-on: http://gerrit.dmdirc.com/1763
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>
Reviewed-by: Chris Smith <chris@dmdirc.com>

src/com/dmdirc/addons/ui_swing/components/substitutions/SubstitutionsPanel.java

 import java.util.List;
 
 import javax.swing.BorderFactory;
+import javax.swing.Box;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JSeparator;
                 "editing the field, to insert it.");
         if (alignment.equals(Alignment.VERTICAL)) {
             add(textLabel, "spany, aligny top, wmin 225, wmax 225");
-            add(new JSeparator(JSeparator.VERTICAL), "growy, pushy, spany");
+            add(new JSeparator(JSeparator.VERTICAL), "growy, spany");
         } else {
             add(textLabel, "spanx, aligny top");
-            add(new JSeparator(JSeparator.HORIZONTAL), "growy, pushy, spanx");
+            add(new JSeparator(JSeparator.HORIZONTAL), "growy, spanx");
         }
 
         for (SubstitutionLabel label : substitutions) {
             add(new JLabel("No substitutions."),
                     "growx, pushx, aligny top, align center");
         }
+        add(Box.createVerticalGlue(), "growy, pushy");
 
         setVisible(visible);
     }