patch 8.1.0762: compiler warning

Problem:    Compiler warning.
Solution:   Add type cast. (Mike Williams)
diff --git a/src/version.c b/src/version.c
index 473d74a..9796471 100644
--- a/src/version.c
+++ b/src/version.c
@@ -796,6 +796,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    762,
+/**/
     761,
 /**/
     760,