better expose another env variable

src/client/cluster.c

@@ -157,7 +157,7 @@ void mobject_store_shutdown(mobject_store_t cluster)
     if (!cluster_handle->connected)
         return;
 
-    svr_kill_env_str = getenv("MOBJECT_SHUTDOWN_KILL_SERVERS");
+    svr_kill_env_str = getenv(MOBJECT_CLUSTER_SHUTDOWN_KILL_ENV);
     if (svr_kill_env_str && !strcmp(svr_kill_env_str, "true"))
     {
         /* kill server cluster if requested */

src/client/cluster.h

@@ -11,6 +11,7 @@
 #include "libmobject-store.h"
 
 #define MOBJECT_CLUSTER_FILE_ENV "MOBJECT_CLUSTER_FILE"
+#define MOBJECT_CLUSTER_SHUTDOWN_KILL_ENV "MOBJECT_SHUTDOWN_KILL_SERVERS"
 
 struct mobject_store_handle
 {