Export LICENSE file in Bazel build
diff --git a/BUILD.bazel b/BUILD.bazel
index 7b0ba72..2e3882b 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -2,6 +2,8 @@
 
 licenses(["notice"])
 
+exports_files(["LICENSE"])
+
 ################################# FXdiv library ################################
 
 cc_library(