Fix severe bug in freeing safebuffers/hugebuffers. #3. Remove vector multiply from HugeBuffer since no way to multiply remaining elements in segment.

Author: allisterb

jemalloc.Api/FixedBuffer.cs

@@ -410,6 +410,8 @@ internal void ThrowIfNotVectorizable()
             }
         }
 
+        
+
         internal string Name => $"{nameof(FixedBuffer<T>)}({this._Length})";
 
         private string DebuggerDisplay() => string.Format("{{{0}[{1}]}}", typeof(T).Name, Length);