pidgen: Add stub implementation.
diff --git a/configure.ac b/configure.ac
index 071013c..b74fb19 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1981,6 +1981,7 @@
 WINE_CONFIG_MAKEFILE([dlls/opengl32/tests/Makefile],[dlls/Maketest.rules],[dlls],[ALL_TEST_DIRS],[enable_tests])
 WINE_CONFIG_MAKEFILE([dlls/pdh/Makefile],[dlls/Makedll.rules],[dlls],[ALL_DLL_DIRS])
 WINE_CONFIG_MAKEFILE([dlls/pdh/tests/Makefile],[dlls/Maketest.rules],[dlls],[ALL_TEST_DIRS],[enable_tests])
+WINE_CONFIG_MAKEFILE([dlls/pidgen/Makefile],[dlls/Makedll.rules],[dlls],[ALL_DLL_DIRS])
 WINE_CONFIG_MAKEFILE([dlls/powrprof/Makefile],[dlls/Makedll.rules],[dlls],[ALL_DLL_DIRS])
 WINE_CONFIG_MAKEFILE([dlls/printui/Makefile],[dlls/Makedll.rules],[dlls],[ALL_DLL_DIRS])
 WINE_CONFIG_MAKEFILE([dlls/propsys/Makefile],[dlls/Makedll.rules],[dlls],[ALL_DLL_DIRS])