[gtk-theme-engine-clearlooks] Check for the scrollbar color being defined

[Carlos Garnacho <carlosg src gnome org>]

commit 5ac324d940591a179218830359e190096ef87ea0
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Nov 16 22:10:08 2010 +0100

    Check for the scrollbar color being defined

 src/clearlooks_engine.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/clearlooks_engine.c b/src/clearlooks_engine.c
index 677c0c6..f8c031c 100644
--- a/src/clearlooks_engine.c
+++ b/src/clearlooks_engine.c
@@ -1059,7 +1059,7 @@ clearlooks_engine_render_slider (GtkThemingEngine *engine,
 		}
 
 		/* Set scrollbar color */
-		if (colorize_scrollbar)
+		if (colorize_scrollbar && scrollbar_color)
 		{
 			scrollbar.color = *scrollbar_color;
 			scrollbar.has_color = TRUE;