fix include path and warning

src/advanced-scene-switcher.cpp

@@ -1,7 +1,7 @@
 #include <QMainWindow>
 #include <QDir>
 #include <QAction>
-#include <QtGui\qstandarditemmodel.h>
+#include <QtGui/qstandarditemmodel.h>
 
 #include <condition_variable>
 #include <chrono>

src/headers/switch-audio.hpp

@@ -25,13 +25,13 @@ struct AudioSwitch : virtual SceneSwitcherEntry {
 				   const float inputPeak[MAX_AUDIO_CHANNELS]);
 	void resetVolmeter();
 
-	inline AudioSwitch(){};
-	inline AudioSwitch(OBSWeakSource scene_, OBSWeakSource transition_,
-			   OBSWeakSource audioSource_, int volumeThreshold_,
-			   bool usePreviousScene_);
+	AudioSwitch(){};
+	AudioSwitch(OBSWeakSource scene_, OBSWeakSource transition_,
+		    OBSWeakSource audioSource_, int volumeThreshold_,
+		    bool usePreviousScene_);
 	AudioSwitch(const AudioSwitch &other);
 	AudioSwitch(AudioSwitch &&other);
-	inline ~AudioSwitch();
+	~AudioSwitch();
 	AudioSwitch &operator=(const AudioSwitch &other);
 	AudioSwitch &operator=(AudioSwitch &&other) noexcept;
 	friend void swap(AudioSwitch &first, AudioSwitch &second);

src/switch-audio.cpp

@@ -232,9 +232,9 @@ bool AudioSwitch::valid()
 	return SceneSwitcherEntry::valid() && WeakSourceValid(audioSource);
 }
 
-inline AudioSwitch::AudioSwitch(OBSWeakSource scene_, OBSWeakSource transition_,
-				OBSWeakSource audioSource_,
-				int volumeThreshold_, bool usePreviousScene_)
+AudioSwitch::AudioSwitch(OBSWeakSource scene_, OBSWeakSource transition_,
+			 OBSWeakSource audioSource_, int volumeThreshold_,
+			 bool usePreviousScene_)
 	: SceneSwitcherEntry(scene_, transition_, usePreviousScene_),
 	  audioSource(audioSource_),
 	  volumeThreshold(volumeThreshold_)
@@ -277,7 +277,7 @@ AudioSwitch::AudioSwitch(AudioSwitch &&other)
 	other.volmeter = nullptr;
 }
 
-inline AudioSwitch::~AudioSwitch()
+AudioSwitch::~AudioSwitch()
 {
 	obs_volmeter_remove_callback(volmeter, setVolumeLevel, this);
 	obs_volmeter_destroy(volmeter);