Fix case collision between FLAKE and Flake. (#52)

* Fix case collision between FLAKE and Flake.

* Keep only necessary changes of PR#52

Co-authored-by: Wolfgang Stöggl <c72578@yahoo.de>

CUETools.Codecs.Flake/FlacSubframe.cs

@@ -0,0 +1,21 @@
+namespace CUETools.Codecs.Flake
+{
+    unsafe public class FlacSubframe
+    {
+        public FlacSubframe()
+        {
+            rc = new RiceContext();
+            coefs = new int[lpc.MAX_LPC_ORDER];
+        }
+        public SubframeType type;
+        public int order;
+        public int* residual;
+        public RiceContext rc;
+        public uint size;
+
+        public int cbits;
+        public int shift;
+        public int[] coefs;
+        public int window;
+    };
+}