[banshee] build: Add System.Core ref to Banshee.WebBrowser project (bgo#639642)

[Gabriel Burt <gburt src gnome org>]

commit 4659b634eb853a82bdfbe40416db18a6ea49de91
Author: Dustin C. Hatch <admiralnemo gmail com>
Date:   Sat Jan 15 20:46:53 2011 -0600

    build: Add System.Core ref to Banshee.WebBrowser project (bgo#639642)
    
    Signed-off-by: Gabriel Burt <gabriel burt gmail com>

 .../Banshee.WebBrowser/Banshee.WebBrowser.csproj   |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/Core/Banshee.WebBrowser/Banshee.WebBrowser.csproj b/src/Core/Banshee.WebBrowser/Banshee.WebBrowser.csproj
index 33c8bf5..aa528a5 100644
--- a/src/Core/Banshee.WebBrowser/Banshee.WebBrowser.csproj
+++ b/src/Core/Banshee.WebBrowser/Banshee.WebBrowser.csproj
@@ -39,6 +39,7 @@
       <SpecificVersion>False</SpecificVersion>
     </Reference>
     <Reference Include="System" />
+    <Reference Include="System.Core" />
     <Reference Include="Mono.Posix">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\..bin\Mono.Posix.dll</HintPath>