shrink sha hashing

function                                             old     new   delta
sha512_hash                                          262     281     +19
sha512_end                                           204     221     +17
sha1_hash                                            128     113     -15
static.mask                                           16       -     -16
static.bits                                           16       -     -16
sha1_end                                             160     136     -24
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 2/2 up/down: 36/-71)            Total: -35 bytes

diff --git a/libbb/pw_encrypt_sha.c b/libbb/pw_encrypt_sha.c
index e71f96f..070e0d4 100644
--- a/libbb/pw_encrypt_sha.c
+++ b/libbb/pw_encrypt_sha.c
@@ -20,7 +20,7 @@
 {
 	void (*sha_begin)(void *ctx) FAST_FUNC;
 	void (*sha_hash)(const void *buffer, size_t len, void *ctx) FAST_FUNC;
-	void* (*sha_end)(void *resbuf, void *ctx) FAST_FUNC;
+	void (*sha_end)(void *resbuf, void *ctx) FAST_FUNC;
 	int _32or64;
 
 	char *result, *resptr;