Use empty initializer lists for zeroing structs.

src/Common/Socket.cpp

@@ -33,7 +33,7 @@ namespace sw
 			socket = -1;
 		#endif
 
-		addrinfo hints = {0};
+		addrinfo hints = {};
 		hints.ai_family = AF_INET;
 		hints.ai_socktype = SOCK_STREAM;
 		hints.ai_protocol = IPPROTO_TCP;

src/Main/FrameBuffer.cpp

@@ -193,8 +193,7 @@ namespace sw
 
 	void FrameBuffer::copyLocked()
 	{
-		BlitState update = {0};
-
+		BlitState update = {};
 		update.width = width;
 		update.height = height;
 		update.destFormat = destFormat;

src/Renderer/Renderer.cpp

@@ -2522,7 +2522,7 @@ namespace sw
 		{
 			terminateThreads();
 
-			SwiftConfig::Configuration configuration = {0};
+			SwiftConfig::Configuration configuration = {};
 			swiftConfig->getConfiguration(configuration);
 
 			precacheVertex = !newConfiguration && configuration.precache;