regcomp.c: Make some params to a static fcn const

This is just acting on the TODO comment.

1 files changed, 1 insertions, 1 deletions

diff --git a/proto.h b/proto.h
index 7d5ea26a8c..0128cc994d 100644
--- a/proto.h
+++ b/proto.h
@@ -4793,7 +4793,7 @@ STATIC regnode*	S_regpiece(pTHX_ RExC_state_t *pRExC_state, I32 *flagp, U32 dept
 PERL_STATIC_INLINE I32	S_regpposixcc(pTHX_ RExC_state_t *pRExC_state, I32 value, const bool strict);
 #define PERL_ARGS_ASSERT_REGPPOSIXCC	\
 	assert(pRExC_state)
-STATIC void	S_regtail(pTHX_ RExC_state_t *pRExC_state, regnode *p, const regnode *val, U32 depth);
+STATIC void	S_regtail(pTHX_ RExC_state_t * pRExC_state, const regnode * const p, const regnode * const val, const U32 depth);
 #define PERL_ARGS_ASSERT_REGTAIL	\
 	assert(pRExC_state); assert(p); assert(val)
 STATIC void	S_scan_commit(pTHX_ const RExC_state_t *pRExC_state, struct scan_data_t *data, SSize_t *minlenp, int is_inf);