Handle WM_CLOSE messages in overlay helper.

When Qt terminates a QProcess via the terminate()
method, it sends a WM_CLOSE message.

However, the overlay helper did not know of WM_CLOSE,
so it would quietly ignore it.

This commit teaches the overlay helper to exit on
WM_CLOSE.

1 files changed, 5 insertions, 0 deletions

diff --git a/overlay/lib.cpp b/overlay/lib.cpp
index 592ac7b9b..e9eeb4370 100644
--- a/overlay/lib.cpp
+++ b/overlay/lib.cpp
@@ -476,6 +476,11 @@ extern "C" __declspec(dllexport) int __cdecl OverlayHelperProcessMain(unsigned i
 			break;
 		}
 
+		if (msg.message == WM_CLOSE) {
+			retval = 0;
+			break;
+		}
+
 		TranslateMessage(&msg);
 		DispatchMessage(&msg);
 	}