Add a cast for C++ compilation

p4raw-id: //depot/perl@30349

1 files changed, 1 insertions, 1 deletions

diff --git a/mg.c b/mg.c
index 9a18bcb53c..47d9cb437c 100644
--- a/mg.c
+++ b/mg.c
@@ -2262,7 +2262,7 @@ Perl_magic_set(pTHX_ SV *sv, MAGIC *mg)
 	else if (strEQ(mg->mg_ptr, "\017PEN")) {
 	    STRLEN len;
 	    const char *const start = SvPV(sv, len);
-	    const char *out = memchr(start, '\0', len);
+	    const char *out = (const char*)memchr(start, '\0', len);
 	    SV *tmp;
 	    struct refcounted_he *tmp_he;