Negative transaction color changed to red (was grey due to mistake)

src/qt/guiconstants.h

@@ -10,6 +10,6 @@ static const int MODEL_UPDATE_DELAY = 500;
 /* Transaction list -- unconfirmed transaction */
 #define COLOR_UNCONFIRMED QColor(128, 128, 128)
 /* Transaction list -- negative amount */
-#define COLOR_NEGATIVE QColor(128, 128, 128)
+#define COLOR_NEGATIVE QColor(255, 0, 0)
 
 #endif // GUICONSTANTS_H