patch 8.0.0772: other stdbool.h dependencies in libvterm

Problem:    Other stdbool.h dependencies in libvterm.
Solution:   Remove the dependency and use TRUE/FALSE/int. (Ken Takata)
diff --git a/src/version.c b/src/version.c
index 10189f4..1553a90 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    772,
+/**/
     771,
 /**/
     770,