rpcrt4: Delete the static critical sections when unloading the dll.

dlls/rpcrt4/rpc_server.c

@@ -1078,6 +1078,8 @@ void RPCRT4_destroy_all_protseqs(void)
         destroy_serverprotoseq(cps);
     }
     LeaveCriticalSection(&server_cs);
+    DeleteCriticalSection(&server_cs);
+    DeleteCriticalSection(&listen_cs);
 }
 
 /***********************************************************************
@@ -1321,6 +1323,7 @@ void RPCRT4_ServerFreeAllRegisteredAuthInfo(void)
         HeapFree(GetProcessHeap(), 0, auth_info);
     }
     LeaveCriticalSection(&server_auth_info_cs);
+    DeleteCriticalSection(&server_auth_info_cs);
 }
 
 /***********************************************************************

dlls/rpcrt4/rpcrt4_main.c

@@ -140,6 +140,8 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
     case DLL_PROCESS_DETACH:
         RPCRT4_destroy_all_protseqs();
         RPCRT4_ServerFreeAllRegisteredAuthInfo();
+        DeleteCriticalSection(&uuid_cs);
+        DeleteCriticalSection(&threaddata_cs);
         break;
     }