patch 8.1.1736: viminfo support is spread out

Problem:    Viminfo support is spread out.
Solution:   Move more viminfo code to viminfo.c. (Yegappan Lakshmanan,
            closes #4717)  Reorder code to make most functions static.
diff --git a/src/version.c b/src/version.c
index e8f5d7f..4e91567 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1736,
+/**/
     1735,
 /**/
     1734,