Merge pull request #1195 from rohit-n/maybe-uninitialized

VideoCommon: Silence -Wmaybe-uninitialized warnings.

Source/Core/VideoCommon/Fifo.cpp

@@ -424,7 +424,7 @@ void Fifo_UpdateWantDeterminism(bool want)
 	// We are paused (or not running at all yet) and have m_csHWVidOccupied, so
 	// it should be safe to change this.
 	const SCoreStartupParameter& param = SConfig::GetInstance().m_LocalCoreStartupParameter;
-	bool gpu_thread;
+	bool gpu_thread = false;
 	switch (param.m_GPUDeterminismMode)
 	{
 		case GPU_DETERMINISM_AUTO:

Source/Core/VideoCommon/RenderBase.cpp

@@ -169,6 +169,7 @@ void Renderer::CalculateTargetScale(int x, int y, int &scaledX, int &scaledY)
 bool Renderer::CalculateTargetSize(unsigned int framebuffer_width, unsigned int framebuffer_height)
 {
 	int newEFBWidth, newEFBHeight;
+	newEFBWidth = newEFBHeight = 0;
 
 	// TODO: Ugly. Clean up
 	switch (s_LastEFBScale)