updated for version 7.3.343

Problem:    No mouse support for urxvt.
Solution:   Implement urxvt mouse support, also for > 252 columns.  (Yiding
            Jia)

src/version.c

@@ -379,6 +379,11 @@ static char *(features[]) =
 # else
 	"-mouse_xterm",
 # endif
+# ifdef FEAT_MOUSE_URXVT
+	"+mouse_urxvt",
+# else
+	"-mouse_urxvt",
+# endif
 #endif
 #ifdef __QNX__
 # ifdef FEAT_MOUSE_PTERM
@@ -709,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    343,
 /**/
     342,
 /**/