siphash: Simplify helper function W64's signature

diff --git a/ccan/siphash/siphash.c b/ccan/siphash/siphash.c
index 766617ed9c4ce1761cd97715942757cb422f7fa3..b711b30a1231eb97f6378ef27210aaee62a912b0 100644 (file)
--- a/ccan/siphash/siphash.c
+++ b/ccan/siphash/siphash.c
@@ -26,10 +26,10 @@ enum sip_index { A=0, B=2, C=1, D=3, E=4 };
     } while(0)
 
 
-static inline u64 W64(const void *p, size_t I)
+static inline u64 W64(const unsigned char *p, size_t j)
 {
     uint64_t x;
-    memcpy(&x, (char *)p + I*sizeof(x), sizeof(x));
+    memcpy(&x, p + j*sizeof(x), sizeof(x));
     return le64_to_cpu(x);
 }