Ignore more colour setting on GTK

Change-Id: I12a578478c9765b48dcf2e247a64ef3897d87075
Reviewed-on: http://gerrit.dmdirc.com/1401
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>
Reviewed-by: Chris Smith <chris@dmdirc.com>

src/com/dmdirc/addons/ui_swing/components/frames/InputTextFrame.java

 
         final ConfigManager config = owner.getConfigManager();
 
-        getInputField().setBackground(config.getOptionColour(
-                "ui", "inputbackgroundcolour",
-                "ui", "backgroundcolour"));
         if (!UIUtilities.isGTKUI()) {
             //GTK users appear to dislike choice, ignore them if they want some.
+            getInputField().setBackground(config.getOptionColour(
+                    "ui", "inputbackgroundcolour",
+                    "ui", "backgroundcolour"));
             getInputField().setForeground(config.getOptionColour(
                     "ui", "inputforegroundcolour",
                     "ui", "foregroundcolour"));