server: Add pragma once to server-context.h (#19944)

diff --git a/tools/server/server-context.h b/tools/server/server-context.h
index 631d573fcbd8c15aacc1970e223633acf0228554..75f3d2de56884b7cf3d6e5a7750eb5d4be1eb518 100644 (file)
--- a/tools/server/server-context.h
+++ b/tools/server/server-context.h
@@ -1,3 +1,5 @@
+#pragma once
+
 #include "server-http.h"
 #include "server-task.h"
 #include "server-queue.h"