Allow grpc_init to be called multiple times
diff --git a/vsprojects/vs2013/grpc_shared.vcxproj.filters b/vsprojects/vs2013/grpc_shared.vcxproj.filters
index 75ecc7a..8c174d9 100644
--- a/vsprojects/vs2013/grpc_shared.vcxproj.filters
+++ b/vsprojects/vs2013/grpc_shared.vcxproj.filters
@@ -127,10 +127,10 @@
     <ClCompile Include="..\..\src\core\iomgr\pollset_kick.c">
       <Filter>src\core\iomgr</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\iomgr\pollset_multipoller_with_poll_posix.c">
+    <ClCompile Include="..\..\src\core\iomgr\pollset_multipoller_with_epoll.c">
       <Filter>src\core\iomgr</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\core\iomgr\pollset_multipoller_with_epoll.c">
+    <ClCompile Include="..\..\src\core\iomgr\pollset_multipoller_with_poll_posix.c">
       <Filter>src\core\iomgr</Filter>
     </ClCompile>
     <ClCompile Include="..\..\src\core\iomgr\pollset_posix.c">