Cast parameters to instr, strstr

This code isn't apparently compiled on modern platforms, as when I tried
to force them to compile, I had to do this.

1 files changed, 1 insertions, 1 deletions

diff --git a/mathoms.c b/mathoms.c
index b490049d09..19b0154b64 100644
--- a/mathoms.c
+++ b/mathoms.c
@@ -1294,7 +1294,7 @@ Perl_instr(const char *big, const char *little)
 {
     PERL_ARGS_ASSERT_INSTR;
 
-    return instr((char *) big, (char *) little);
+    return instr(big, little);
 }
 
 SV *