Fix incorrect copy lengths in memcpy

src/TensorFlowNET.Core/Eager/EagerRunner.TFE_FastPathExecute.cs

@@ -336,7 +336,7 @@ namespace Tensorflow.Eager
                 for (int i = 0; i < num_values; ++i)
                 {
                     dims[i] = Marshal.AllocHGlobal(sizeof(long) * values1[i].ndim);
-                    tf.memcpy(dims[i], values1[i].dims.Select(x => (long)x).ToArray(), values1[i].ndim);
+                    tf.memcpy(dims[i], values1[i].dims.Select(x => (long)x).ToArray(), values1[i].ndim * sizeof(long));
                 }
 
                 c_api.TFE_OpSetAttrShapeList(op, key, dims, num_dims, num_values, status.Handle);

src/TensorFlowNET.Core/tensorflow.memory.cs

@@ -42,8 +42,6 @@ namespace Tensorflow
         {
             if (src.Length == 0) return;
 
-            size = size * (ulong)sizeof(T);
-
             fixed (void* p = &src[0])
                 System.Buffer.MemoryCopy(p, dst.ToPointer(), size, size);
         }
@@ -53,8 +51,6 @@ namespace Tensorflow
         {
             if (src.Length == 0) return;
 
-            size = size * sizeof(T);
-
             fixed (void* p = &src[0])
                 System.Buffer.MemoryCopy(p, dst.ToPointer(), size, size);
         }