fix endianness of sprintf floats. i thought i checked this, but i guess not

BizHawk.Common/Sprintf.cs

@@ -244,9 +244,9 @@ namespace BizHawk.Common
 		static double GetDouble(IntPtr first, IntPtr second)
 		{
 			var ms = new MemoryStream(8);
-			var bw = new BinaryWriter(ms);
+			var bw = new BinaryWriter(ms);
+			bw.Write(first.ToInt32());
 			bw.Write(second.ToInt32());
-			bw.Write(first.ToInt32());
 			bw.Flush();
 			ms.Position = 0;
 			var br = new BinaryReader(ms);