update dict.h

fix to [#4493](https://github.com/antirez/redis/issues/4493)  at 2.8 version

1 files changed, 2 insertions, 2 deletions

diff --git a/src/dict.h b/src/dict.h
index e4d64c643..cbe27aeaa 100644
--- a/src/dict.h
+++ b/src/dict.h
@@ -165,8 +165,8 @@ dictEntry *dictNext(dictIterator *iter);
 void dictReleaseIterator(dictIterator *iter);
 dictEntry *dictGetRandomKey(dict *d);
 void dictPrintStats(dict *d);
-unsigned int dictGenHashFunction(const void *key, int len);
-unsigned int dictGenCaseHashFunction(const unsigned char *buf, int len);
+uint64_t dictGenHashFunction(const void *key, int len);
+uint64_t dictGenCaseHashFunction(const unsigned char *buf, int len);
 void dictEmpty(dict *d, void(callback)(void*));
 void dictEnableResize(void);
 void dictDisableResize(void);