Merge branch 'fsharp' of https://github.com/vosen/dapper-dot-net into vosen-fsharp

Also optimised ldloc/lodloca/stloc and fixed enum double-assignment
Signed-off-by: Marc Gravell <marc.gravell@gmail.com>

Dapper/SqlMapper.cs

@@ -1737,7 +1737,7 @@ static List<FieldInfo> GetSettableFields(Type t)
                             il.Emit(OpCodes.Unbox_Any, unboxType); // stack is now [target][target][typed-value]
 
                             if (nullUnderlyingType != null)
-                            {
+                            {
                                 il.Emit(OpCodes.Newobj, memberType.GetConstructor(new[] { nullUnderlyingType })); // stack is now [target][target][enum-value]
                             }
                         }
@@ -1750,8 +1750,8 @@ static List<FieldInfo> GetSettableFields(Type t)
                         {
                             il.Emit(OpCodes.Unbox_Any, unboxType); // stack is now [target][target][typed-value]
                         }
-                    }
-                    if (specializedConstructor == null)
+                    }
+                    if (specializedConstructor == null)
                     {
                         // Store the value in the property/field
                         if (item.Property != null)