Change name of mro.c

This is to prevent a conflict showing up on z/OS (os390) because this
file's name is the same as one in /ext, and there are functions
cross-referenced between them, and the loader on that platform
can't deal with this.

See http://nntp.perl.org/group/perl.perl5.porters/226612

1 files changed, 1 insertions, 1 deletions

diff --git a/hv.h b/hv.h
index 95dde4681e..a9124768fc 100644
--- a/hv.h
+++ b/hv.h
@@ -58,7 +58,7 @@ struct shared_he {
 
 /* Subject to change.
    Don't access this directly.
-   Use the funcs in mro.c
+   Use the funcs in mro_core.c
 */
 
 struct mro_alg {