urxvt: no sbwidth limit - patch

--- a/src/feature.h 2013-11-08 16:47:39.368567231 +0400
+++ b/src/feature.h 2013-11-08 16:47:04.104688370 +0400
@@ -214,7 +214,7 @@
 /*
  * Minimum and maximum widths of the scrollbar (all styles)
  */
-#define SB_WIDTH_MINIMUM   5
+#define SB_WIDTH_MINIMUM   1
 #define SB_WIDTH_MAXIMUM   100

 /*