updated for version 7.3.933
Problem:    Ruby on Mac crashes due to GC failure.
Solution:   Init the stack from main(). (Hiroshi Shirosaki)
diff --git a/src/version.c b/src/version.c
index 7c2eb6f..3cf57bb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    933,
+/**/
     932,
 /**/
     931,