hw/nxagent/NXrender.c: Don't declare and assign the colors variable, if not used later on.

 Amends the following compiler warning:

 ```
 NXrender.c: In function ‘swapStops’:
 NXrender.c:3036:13: warning: variable ‘colors’ set but not used [-Wunused-but-set-variable]
      CARD16 *colors;
              ^
 ```

1 files changed, 0 insertions, 2 deletions

diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXrender.c b/nx-X11/programs/Xserver/hw/nxagent/NXrender.c
index dc1d2387e..1999c33b0 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXrender.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXrender.c
@@ -3033,13 +3033,11 @@ static void swapStops(void *stuff, int num)
 {
     int i, n;
     CARD32 *stops;
-    CARD16 *colors;
     stops = (CARD32 *)(stuff);
     for (i = 0; i < num; ++i) {
         swapl(stops, n);
         ++stops;
     }
-    colors = (CARD16 *)(stops);
     for (i = 0; i < 4*num; ++i) {
         swaps(stops, n);
         ++stops;