Setting DISABLE_COM must NOT overwrite the other defined constants

Author: obones

project/CCTrayLib/CCTrayLib.csproj

@@ -95,7 +95,7 @@
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition="$(DISABLE_COM) == true">
-    <DefineConstants>DISABLE_COM</DefineConstants>
+    <DefineConstants>DISABLE_COM;$(DefineConstants)</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Growl.Connector, Version=2.0.0.0, Culture=neutral, PublicKeyToken=980c2339411be384, processorArchitecture=x86">

project/UnitTests/UnitTests.csproj

@@ -96,7 +96,7 @@
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition="$(DISABLE_COM) == true">
-    <DefineConstants>DISABLE_COM</DefineConstants>
+    <DefineConstants>DISABLE_COM;$(DefineConstants)</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">