Avoid compiler warning showing up on darwin.

For example, in http://perl5.test-smoke.org/report/69659

diff --git a/dist/Time-HiRes/fallback/const-c.inc b/dist/Time-HiRes/fallback/const-c.inc
index 2c29a0b..99992d1 100644 (file)
--- a/dist/Time-HiRes/fallback/const-c.inc
+++ b/dist/Time-HiRes/fallback/const-c.inc
@@ -361,6 +361,7 @@ constant_19 (pTHX_ const char *name, IV *iv_return) {
       *iv_return = CLOCK_UPTIME_COARSE;
       return PERL_constant_ISIV;
 #else
+      *iv_return = 0;
       return PERL_constant_NOTDEF;
 #endif
     }
@@ -372,6 +373,7 @@ constant_19 (pTHX_ const char *name, IV *iv_return) {
       *iv_return = CLOCK_REALTIME_FAST;
       return PERL_constant_ISIV;
 #else
+      *iv_return = 0;
       return PERL_constant_NOTDEF;
 #endif
     }
@@ -383,6 +385,7 @@ constant_19 (pTHX_ const char *name, IV *iv_return) {
       *iv_return = CLOCK_MONOTONIC_RAW;
       return PERL_constant_ISIV;
 #else
+      *iv_return = 0;
       return PERL_constant_NOTDEF;
 #endif
     }