patch 9.0.0067: cannot show virtual text

Problem:    Cannot show virtual text.
Solution:   Initial changes for virtual text support, using text properties.
diff --git a/src/beval.c b/src/beval.c
index 4b89af3..79ffff5 100644
--- a/src/beval.c
+++ b/src/beval.c
@@ -47,7 +47,7 @@
 	{
 	    // Not past end of the file.
 	    lbuf = ml_get_buf(wp->w_buffer, lnum, FALSE);
-	    if (col <= win_linetabsize(wp, lbuf, (colnr_T)MAXCOL))
+	    if (col <= win_linetabsize(wp, lnum, lbuf, (colnr_T)MAXCOL))
 	    {
 		// Not past end of line.
 		if (getword)