patch 9.0.0747: too many #ifdefs

Problem:    Too many #ifdefs.
Solution:   Gradudate the +cmdline_info feature. (Martin Tournoij,
            closes #11330)
diff --git a/src/charset.c b/src/charset.c
index d03f261..c4db9f8 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -1085,7 +1085,7 @@
 	int		*headp UNUSED)
 {
     win_T	*wp = cts->cts_win;
-#ifdef FEAT_PROP_POPUP
+#if defined(FEAT_PROP_POPUP) || defined(FEAT_LINEBREAK)
     char_u	*line = cts->cts_line; // start of the line
 #endif
     char_u	*s = cts->cts_ptr;