patch 8.0.0181: with cursorbind set cursor column highlighting is off

Problem:    When 'cursorbind' and 'cursorcolumn' are both on, the column
            highlignt in non-current windows is wrong.
Solution:   Add validate_cursor(). (Masanori Misono, closes #1372)
diff --git a/src/move.c b/src/move.c
index 912e51c..86b19aa 100644
--- a/src/move.c
+++ b/src/move.c
@@ -2841,6 +2841,10 @@
 	    restart_edit_save = restart_edit;
 	    restart_edit = TRUE;
 	    check_cursor();
+# ifdef FEAT_SYN_HL
+	    if (curwin->w_p_cuc)
+		validate_cursor();
+# endif
 	    restart_edit = restart_edit_save;
 # ifdef FEAT_MBYTE
 	    /* Correct cursor for multi-byte character. */