libbb/hash_sha.c -> libbb/hash_md5_sha.c

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>

libbb/Kbuild.src

@@ -60,9 +60,9 @@ lib-y += login.o
 lib-y += make_directory.o
 lib-y += makedev.o
 lib-y += match_fstype.o
-# Alternative (disabled) implementation
+lib-y += hash_md5_sha.o
+# Alternative (disabled) MD5 implementation
 #lib-y += hash_md5prime.o
-lib-y += hash_sha.o
 lib-y += messages.o
 lib-y += mode_string.o
 lib-y += obscure.o