fixing LINQ queries that generate differently for the VS2015 tool set.

Author: craiggwilson

.gitignore

@@ -50,6 +50,9 @@ src/packages
 *.cs.orig
 *.vb.orig
 
+# Fake Artifacts
+.fake
+
 # Other
 artifacts
 packages

src/MongoDB.Driver.Legacy.Tests/Linq/SelectNullableTests.cs

@@ -90,7 +90,7 @@ public void TestWhereEEqualsNull()
             Assert.AreSame(typeof(C), translatedQuery.DocumentType);
 
             var selectQuery = (SelectQuery)translatedQuery;
-            Assert.AreEqual("(C c) => ((Nullable<Int32>)c.E == (Nullable<Int32>)null)", ExpressionFormatter.ToString(selectQuery.Where));
+            Assert.AreEqual("(C c) => (c.E == (Nullable<E>)null)", ExpressionFormatter.ToString(selectQuery.Where));
             Assert.IsNull(selectQuery.OrderBy);
             Assert.IsNull(selectQuery.Projection);
             Assert.IsNull(selectQuery.Skip);