put sandbox.h in the tarball, so the tarball builds

diff --git a/src/common/include.am b/src/common/include.am
index 8c32a21778df21d3de55a6cfabf6866e696613c9..c3ccf96a6576ec90e0f881bbd97dc47dbd652ad9 100644 (file)
--- a/src/common/include.am
+++ b/src/common/include.am
@@ -75,6 +75,7 @@ COMMONHEADERS = \
   src/common/memarea.h                         \
   src/common/mempool.h                         \
   src/common/procmon.h                         \
+  src/common/sandbox.h                         \
   src/common/torgzip.h                         \
   src/common/torint.h                          \
   src/common/torlog.h                          \