async_stream.h done. Compiles
diff --git a/src/cpp/server/server_context.cc b/src/cpp/server/server_context.cc
index 6546499..3732c1f 100644
--- a/src/cpp/server/server_context.cc
+++ b/src/cpp/server/server_context.cc
@@ -33,6 +33,7 @@
 
 #include <grpc++/server_context.h>
 
+#include <grpc/compression.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>