patch 8.0.1765: CTRL-G j in Insert mode is incorrect when 'virtualedit' set

Problem:    CTRL-G j in Insert mode is incorrect when 'virtualedit' is set.
Solution:   Take coladd into account. (Christian Brabandt, closes #2743)
diff --git a/src/charset.c b/src/charset.c
index 7da18bb..e6657ce 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -1417,7 +1417,12 @@
     colnr_T	vcol;
 
     curwin->w_p_list = FALSE;
-    getvcol(curwin, posp, NULL, &vcol, NULL);
+#ifdef FEAT_VIRTUALEDIT
+    if (posp->coladd)
+	getvvcol(curwin, posp, NULL, &vcol, NULL);
+    else
+#endif
+	getvcol(curwin, posp, NULL, &vcol, NULL);
     curwin->w_p_list = list_save;
     return vcol;
 }