try to fix windows build

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@17075 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/event_handlers/mod_json_cdr/mod_json_cdr.2008.vcproj

@@ -42,7 +42,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories=""
+				AdditionalIncludeDirectories="&quot;$(InputDir)..\..\..\..\libs\json-c-0.9&quot;"
 				UsePrecompiledHeader="0"
 			/>
 			<Tool