[MP2K] Fix square patterns

Got mixed up when merging NDS and GBA music studios

Author: Kermalis

VG Music Studio/Core/GBA/MP2K/Channel.cs

@@ -615,8 +615,8 @@ public void Init(Track owner, Note note, ADSR env, SquarePattern pattern)
             switch (pattern)
             {
                 default: _pat = Utils.SquareD12; break;
-                case SquarePattern.D12: _pat = Utils.SquareD25; break;
-                case SquarePattern.D25: _pat = Utils.SquareD50; break;
+                case SquarePattern.D25: _pat = Utils.SquareD25; break;
+                case SquarePattern.D50: _pat = Utils.SquareD50; break;
                 case SquarePattern.D75: _pat = Utils.SquareD75; break;
             }
         }

VG Music Studio/Core/GBA/MP2K/Utils.cs

@@ -32,9 +32,9 @@ internal static class Utils
         };
 
         // Squares
-        public static readonly float[] SquareD12 = new float[8] {  0.500f,  0.500f,  0.500f,  0.500f, -0.500f, -0.500f, -0.500f, -0.500f };
-        public static readonly float[] SquareD25 = new float[8] {  0.875f, -0.125f, -0.125f, -0.125f, -0.125f, -0.125f, -0.125f, -0.125f };
-        public static readonly float[] SquareD50 = new float[8] {  0.750f,  0.750f, -0.250f, -0.250f, -0.250f, -0.250f, -0.250f, -0.250f };
+        public static readonly float[] SquareD12 = new float[8] {  0.875f, -0.125f, -0.125f, -0.125f, -0.125f, -0.125f, -0.125f, -0.125f };
+        public static readonly float[] SquareD25 = new float[8] {  0.750f,  0.750f, -0.250f, -0.250f, -0.250f, -0.250f, -0.250f, -0.250f };
+        public static readonly float[] SquareD50 = new float[8] {  0.500f,  0.500f,  0.500f,  0.500f, -0.500f, -0.500f, -0.500f, -0.500f };
         public static readonly float[] SquareD75 = new float[8] {  0.250f,  0.250f,  0.250f,  0.250f,  0.250f,  0.250f, -0.750f, -0.750f };
 
         // Noises