Clear the extra assert info on game exit

Common/Log.cpp

@@ -36,11 +36,11 @@
 static bool hitAnyAsserts = false;
 
 std::mutex g_extraAssertInfoMutex;
-std::string g_extraAssertInfo = "no extra info set";
+std::string g_extraAssertInfo = "menu";
 
 void SetExtraAssertInfo(const char *info) {
 	std::lock_guard<std::mutex> guard(g_extraAssertInfoMutex);
-	g_extraAssertInfo = info;
+	g_extraAssertInfo = info ? info : "menu";
 }
 
 bool HandleAssert(const char *function, const char *file, int line, const char *expression, const char* format, ...) {

UI/EmuScreen.cpp

@@ -402,6 +402,9 @@ EmuScreen::~EmuScreen() {
 		// If we were invalid, it would already be shutdown.
 		PSP_Shutdown();
 	}
+
+	SetExtraAssertInfo(nullptr);
+
 #ifndef MOBILE_DEVICE
 	if (g_Config.bDumpFrames && startDumping)
 	{