Hack up some props.

src/conio/conio.props

@@ -9,6 +9,9 @@
     <ClCompile>
       <AdditionalIncludeDirectories>$(MSBuildThisFileDirectory);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
+    <Link>
+      <NoWin32Manifest>True</NoWin32Manifest>
+    </Link>
   </ItemDefinitionGroup>
   <ItemGroup />
 </Project>

src/conio/conio_gdi.props

@@ -13,7 +13,8 @@
     <Link>
       <AdditionalDependencies>winmm.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <SubSystem>Windows</SubSystem>
+      <NoWin32Manifest>True</NoWin32Manifest>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup />
-</Project>
\ No newline at end of file
+</Project>

src/conio/conio_sdl.props

@@ -12,7 +12,8 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>winmm.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <NoWin32Manifest>True</NoWin32Manifest>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup />
-</Project>
\ No newline at end of file
+</Project>