patch 9.0.0062: compiler warnings for signed/unsigned char

Problem:    Compiler warnings for signed/unsigned char.
Solution:   Add type casts. (John Marriott)
diff --git a/src/version.c b/src/version.c
index 46d9643..c0230c4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    62,
+/**/
     61,
 /**/
     60,