MAINT-5537 FIXED Advanced Graphics Preferences sliders are incorrect if you...

MAINT-5537 FIXED Advanced Graphics Preferences sliders are incorrect if you click Cancel rather than OK

indra/newview/llfloaterpreference.cpp

@@ -2572,6 +2572,11 @@ LLFloaterPreferenceProxy::LLFloaterPreferenceProxy(const LLSD& key)
 	mCommitCallbackRegistrar.add("Proxy.Change",            boost::bind(&LLFloaterPreferenceProxy::onChangeSocksSettings, this));
 }
 
+void LLFloaterPreferenceGraphicsAdvanced::onOpen(const LLSD& key)
+{
+    refresh();
+}
+
 LLFloaterPreferenceProxy::~LLFloaterPreferenceProxy()
 {
 }

indra/newview/llfloaterpreference.h

@@ -270,7 +270,7 @@ class LLFloaterPreferenceGraphicsAdvanced : public LLFloater
 public: 
 	LLFloaterPreferenceGraphicsAdvanced(const LLSD& key);
 	~LLFloaterPreferenceGraphicsAdvanced();
-
+	void onOpen(const LLSD& key);
 	void disableUnavailableSettings();
 	void refreshEnabledGraphics();
 	void refreshEnabledState();