Fix MYMALLOC (PERL_MALLOC) build on Windows

Commit 34716e2a6e changed the WIN32 version of Perl_my_setenv() from using
Newx() to using safesysmalloc() (in S_env_alloc()), but neglected to make
the corresponding change from Safefree() to safesysfree().

(cherry picked from commit ff69e883532791953a441f1a5316276bb142797c)

1 files changed, 1 insertions, 1 deletions

diff --git a/util.c b/util.c
index e5320c8b8c..15ccf4dc4d 100644
--- a/util.c
+++ b/util.c
@@ -2248,7 +2248,7 @@ Perl_my_setenv(pTHX_ const char *nam, const char *val)
     envstr = S_env_alloc(NULL, nlen, vlen, 2, 1);
     my_setenv_format(envstr, nam, nlen, val, vlen);
     (void)PerlEnv_putenv(envstr);
-    Safefree(envstr);
+    safesysfree(envstr);
 }
 
 #  endif /* WIN32 || NETWARE */