pdb for libmono in releasemode

pdb in release

diff --git a/msvc/libmono.vcxproj b/msvc/libmono.vcxproj
index 36745e1..b5193cc 100644
--- a/msvc/libmono.vcxproj
+++ b/msvc/libmono.vcxproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
@@ -192,6 +192,8 @@
       <DataExecutionPrevention>
       </DataExecutionPrevention>
       <ImportLibrary>$(Platform)\lib\$(TargetName).lib</ImportLibrary>
+      <ProgramDatabaseFile>$(OutDir)$(TargetName).pdb</ProgramDatabaseFile>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">