hash: calculate sizes with size_t instead of longs

... since they return size_t anyway!

closes #2462

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/hash.c b/lib/hash.c
index c99b1b699..15a128fec 100644
--- a/lib/hash.c
+++ b/lib/hash.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -261,11 +261,11 @@ size_t Curl_hash_str(void *key, size_t key_length, size_t slots_num)
 {
   const char *key_str = (const char *) key;
   const char *end = key_str + key_length;
-  unsigned long h = 5381;
+  size_t h = 5381;
 
   while(key_str < end) {
     h += h << 5;
-    h ^= (unsigned long) *key_str++;
+    h ^= *key_str++;
   }
 
   return (h % slots_num);