Several CppCat warnings fixed

src/blame.c

@@ -316,7 +316,6 @@ static int blame_internal(git_blame *blame)
 	ent->suspect = o;
 
 	blame->ent = ent;
-	blame->path = blame->path;
 
 	git_blame__like_git(blame, blame->options.flags);
 

src/pack.c

@@ -648,9 +648,6 @@ int git_packfile_unpack(
 		base_type = elem->type;
 	}
 
-	if (error < 0)
-		goto cleanup;
-
 	switch (base_type) {
 	case GIT_OBJ_COMMIT:
 	case GIT_OBJ_TREE:

src/stash.c

@@ -634,7 +634,8 @@ int git_stash_drop(
 		entry = git_reflog_entry_byindex(reflog, 0);
 
 		git_reference_free(stash);
-		if ((error = git_reference_create(&stash, repo, GIT_REFS_STASH_FILE, &entry->oid_cur, 1, NULL, NULL) < 0))
+		error = git_reference_create(&stash, repo, GIT_REFS_STASH_FILE, &entry->oid_cur, 1, NULL, NULL);
+		if (error < 0)
 			goto cleanup;
 
 		/* We need to undo the writing that we just did */

src/transports/smart_protocol.c

@@ -314,7 +314,7 @@ static int wait_while_ack(gitno_buffer *buf)
 			break;
 
 		if (pkt->type == GIT_PKT_ACK &&
-		    (pkt->status != GIT_ACK_CONTINUE ||
+		    (pkt->status != GIT_ACK_CONTINUE &&
 		     pkt->status != GIT_ACK_COMMON)) {
 			git__free(pkt);
 			return 0;