Redist the referencesource folder

Since referencesource is no longer a submodule under external/ after https://github.com/mono/mono/pull/2962
it didn't get included in the tarball anymore.

We need to add it again to fix the tarball build.

diff --git a/Makefile.am b/Makefile.am
index e2e1dfefa46338710c852617b3d1ae688d31a13a..5afacfa7fcc0ddbba6dd7cd91bf7df6f5f9a475c 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -32,7 +32,8 @@ EXTRA_DIST= \
        mono-uninstalled.pc.in  \
        winconfig.h             \
        code_of_conduct.md      \
-       external
+       external                \
+       mcs/class/referencesource
 
 DISTCHECK_CONFIGURE_FLAGS = EXTERNAL_MCS=false EXTERNAL_RUNTIME=false