perlapi: Mark debstackptrs as internal

This is unused in Perl since at least Perl 5 Alpha, and unused in CPAN.

1 files changed, 1 insertions, 1 deletions

diff --git a/deb.c b/deb.c
index 8410e429bd..f8eee189b0 100644
--- a/deb.c
+++ b/deb.c
@@ -79,7 +79,7 @@ Perl_vdeb(pTHX_ const char *pat, va_list *args)
 }
 
 I32
-Perl_debstackptrs(pTHX)
+Perl_debstackptrs(pTHX)     /* Currently unused in cpan and core */
 {
 #ifdef DEBUGGING
     PerlIO_printf(Perl_debug_log,