Remove two pointless uses of sv_2mortal

boolSV returns an immortal. When sv_2mortal is called on
an immortal, it simply returns. So eliminate the call.

diff --git a/universal.c b/universal.c
index a8113d0..35d1bcc 100644 (file)
--- a/universal.c
+++ b/universal.c
@@ -699,7 +699,6 @@ XS(XS_utf8_decode)
        if (SvIsCOW(sv)) sv_force_normal(sv);
        RETVAL = sv_utf8_decode(sv);
        ST(0) = boolSV(RETVAL);
-       sv_2mortal(ST(0));
     }
     XSRETURN(1);
 }
@@ -733,7 +732,6 @@ XS(XS_utf8_downgrade)
         const bool RETVAL = sv_utf8_downgrade(sv, failok);
 
        ST(0) = boolSV(RETVAL);
-       sv_2mortal(ST(0));
     }
     XSRETURN(1);
 }