pdh: Add tests for opening and closing queries.
diff --git a/configure.ac b/configure.ac
index 01165a0..885bdcc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1661,6 +1661,7 @@
 AC_CONFIG_FILES([dlls/olesvr32/Makefile])
 AC_CONFIG_FILES([dlls/opengl32/Makefile])
 AC_CONFIG_FILES([dlls/pdh/Makefile])
+AC_CONFIG_FILES([dlls/pdh/tests/Makefile])
 AC_CONFIG_FILES([dlls/powrprof/Makefile])
 AC_CONFIG_FILES([dlls/printui/Makefile])
 AC_CONFIG_FILES([dlls/psapi/Makefile])