fix some 5.10.x-specific const warnings after the big MUTABLE_* merge

1 files changed, 1 insertions, 1 deletions

diff --git a/regcomp.c b/regcomp.c
index 1bf8bc9fc5..299f925b01 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -5255,7 +5255,7 @@ Perl_reg_numbered_buff_length(pTHX_ REGEXP * const rx, const SV * const sv,
             goto getlen;
         } else {
             if (ckWARN(WARN_UNINITIALIZED))
-                report_uninit((const SV *)sv);
+                report_uninit((SV *)sv);
             return 0;
         }
     }