hash: gnu C++ signed/unsigned warning.

* hash.c (hash_double): Fix comparison warning between signed
loop variable and unsigned limit expression.

1 files changed, 1 insertions, 1 deletions

diff --git a/hash.c b/hash.c
index e5f00ecf..5413f65a 100644
--- a/hash.c
+++ b/hash.c
@@ -186,7 +186,7 @@ static ucnum hash_double(double n)
     volatile ucnum a[sizeof (double) / sizeof (ucnum)];
   } u;
   ucnum h = 0;
-  int i;
+  unsigned i;
 
   u.d = n;