Add 'relativenumber' patch from Markus Heidelberg.
diff --git a/src/netbeans.c b/src/netbeans.c
index 94c1aaa..93a9aea 100644
--- a/src/netbeans.c
+++ b/src/netbeans.c
@@ -3143,7 +3143,8 @@
 
     if (bufno >= 0 && curwin != NULL && curwin->w_buffer == curbuf)
     {
-	int col = mouse_col - W_WINCOL(curwin) - (curwin->w_p_nu ? 9 : 1);
+	int col = mouse_col - W_WINCOL(curwin)
+		  - ((curwin->w_p_nu || curwin->w_p_rnu) ? 9 : 1);
 	long off = pos2off(curbuf, &curwin->w_cursor);
 
 	/* sync the cursor position */