Fix sanity

grpc.def

@@ -83,6 +83,7 @@ EXPORTS
     grpc_channel_destroy
     grpc_call_cancel
     grpc_call_cancel_with_status
+    grpc_call_ref
     grpc_call_unref
     grpc_server_request_call
     grpc_server_register_method

src/ruby/ext/grpc/rb_grpc_imports.generated.c

@@ -121,6 +121,7 @@ grpc_lame_client_channel_create_type grpc_lame_client_channel_create_import;
 grpc_channel_destroy_type grpc_channel_destroy_import;
 grpc_call_cancel_type grpc_call_cancel_import;
 grpc_call_cancel_with_status_type grpc_call_cancel_with_status_import;
+grpc_call_ref_type grpc_call_ref_import;
 grpc_call_unref_type grpc_call_unref_import;
 grpc_server_request_call_type grpc_server_request_call_import;
 grpc_server_register_method_type grpc_server_register_method_import;
@@ -419,6 +420,7 @@ void grpc_rb_load_imports(HMODULE library) {
   grpc_channel_destroy_import = (grpc_channel_destroy_type) GetProcAddress(library, "grpc_channel_destroy");
   grpc_call_cancel_import = (grpc_call_cancel_type) GetProcAddress(library, "grpc_call_cancel");
   grpc_call_cancel_with_status_import = (grpc_call_cancel_with_status_type) GetProcAddress(library, "grpc_call_cancel_with_status");
+  grpc_call_ref_import = (grpc_call_ref_type) GetProcAddress(library, "grpc_call_ref");
   grpc_call_unref_import = (grpc_call_unref_type) GetProcAddress(library, "grpc_call_unref");
   grpc_server_request_call_import = (grpc_server_request_call_type) GetProcAddress(library, "grpc_server_request_call");
   grpc_server_register_method_import = (grpc_server_register_method_type) GetProcAddress(library, "grpc_server_register_method");

src/ruby/ext/grpc/rb_grpc_imports.generated.h

@@ -314,6 +314,9 @@ extern grpc_call_cancel_type grpc_call_cancel_import;
 typedef grpc_call_error(*grpc_call_cancel_with_status_type)(grpc_call *call, grpc_status_code status, const char *description, void *reserved);
 extern grpc_call_cancel_with_status_type grpc_call_cancel_with_status_import;
 #define grpc_call_cancel_with_status grpc_call_cancel_with_status_import
+typedef void(*grpc_call_ref_type)(grpc_call *call);
+extern grpc_call_ref_type grpc_call_ref_import;
+#define grpc_call_ref grpc_call_ref_import
 typedef void(*grpc_call_unref_type)(grpc_call *call);
 extern grpc_call_unref_type grpc_call_unref_import;
 #define grpc_call_unref grpc_call_unref_import