Fix ImageCharacteristics of PEHeaderBuilder when initialized by CreateLibraryHeader

Fixes: dotnet/corefx#35758

Commit migrated from https://github.com/dotnet/corefx/commit/a04be5028544df36b11cabd4081896ba8037b71e

diff --git a/src/libraries/System.Reflection.Metadata/src/System/Reflection/PortableExecutable/PEHeaderBuilder.cs b/src/libraries/System.Reflection.Metadata/src/System/Reflection/PortableExecutable/PEHeaderBuilder.cs
index 1dfdf0f..e9abb62 100644 (file)
--- a/src/libraries/System.Reflection.Metadata/src/System/Reflection/PortableExecutable/PEHeaderBuilder.cs
+++ b/src/libraries/System.Reflection.Metadata/src/System/Reflection/PortableExecutable/PEHeaderBuilder.cs
@@ -103,7 +103,7 @@ namespace System.Reflection.PortableExecutable
 
         public static PEHeaderBuilder CreateLibraryHeader()
         {
-            return new PEHeaderBuilder(imageCharacteristics: Characteristics.Dll);
+            return new PEHeaderBuilder(imageCharacteristics: Characteristics.ExecutableImage | Characteristics.Dll);
         }
 
         internal bool Is32Bit => Machine != Machine.Amd64 && Machine != Machine.IA64 && Machine != Machine.Arm64;