Fix off-by-one error for non-chunked responses

http-response-bodies.c

@@ -205,7 +205,7 @@ checkstate:
 				return 1;
 			}
 		} else if (state == STATE_BODY || state == STATE_CHUNK_CONTENTS) {
-			if (length + 2 - bytes_read > n) {
+			if (length + (state == STATE_BODY ? 1 : 2) - bytes_read > n) {
 				// Only got part of the body
 				DEBUG_PRINTF("Partial body\n");
 				DEBUG_PRINTF("Copying %zu bytes to stdout\n", n);