patch 8.0.1238: incremental search only shows one match

Problem:    Incremental search only shows one match.
Solution:   When 'incsearch' and and 'hlsearch' are both set highlight all
            matches. (haya14busa, closes #2198)
diff --git a/src/version.c b/src/version.c
index ff69454..7d4ba56 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1238,
+/**/
     1237,
 /**/
     1236,