Use an unsigned loop variable to avoid a comparison between signed

and unsigned.  Makes the test compile again.
OK inoguchi@

1 files changed, 1 insertions, 1 deletions

diff --git a/src/regress/lib/libcrypto/hmac/hmactest.c b/src/regress/lib/libcrypto/hmac/hmactest.c
index d5a00c8aac..ab75d3508c 100644
--- a/src/regress/lib/libcrypto/hmac/hmactest.c
+++ b/src/regress/lib/libcrypto/hmac/hmactest.c
@@ -319,7 +319,7 @@ end:
 static char *
 pt(unsigned char *md, unsigned int len)
 {
-        int i;
+        unsigned int i;
         static char buf[80];
 
         for (i = 0; i < len; i++)