patch 8.0.1448: segfault with exception inside :rubyfile command
Problem: Segmentation fault when Ruby throws an exception inside :rubyfile
command.
Solution: Use rb_protect() instead of rb_load_protect(). (ujihisa,
closes #2147, greywolf, closes #2512, #2511)
diff --git a/src/version.c b/src/version.c
index 94d58f8..1da5bbd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 1448,
+/**/
1447,
/**/
1446,