evp_test.c: avoid warning from having a pointer difference returned as int

Reviewed-by: Rich Salz <rsalz@openssl.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/crypto/evp/evp_test.c b/crypto/evp/evp_test.c
index d7441ec7b7..98796427bf 100644..100755
--- a/crypto/evp/evp_test.c
+++ b/crypto/evp/evp_test.c
@@ -76,6 +76,7 @@ static void hexdump(FILE *f, const char *title, const unsigned char *s, int l)
 static int convert(unsigned char *s)
 {
     unsigned char *d;
+    int digits = 0;
 
     for (d = s; *s; s += 2, ++d) {
         unsigned int n;
@@ -86,8 +87,9 @@ static int convert(unsigned char *s)
         }
         sscanf((char *)s, "%2x", &n);
         *d = (unsigned char)n;
+        digits++;
     }
-    return s - d;
+    return digits;
 }
 
 static char *sstrsep(char **string, const char *delim)