keystore: fix distcheck when Qt is not present

Qt moc files should always be marked as nodist_
Signed-off-by: Thomas Guillem <thomas@gllm.fr>

modules/keystore/Makefile.am

@@ -20,7 +20,9 @@ moc_verbose__0 = $(moc_verbose_0)
 .hpp.moc.cpp:
 	$(moc_verbose)$(MOC) $(MOC_CPPFLAGS) -o $@ $<
 
-libkwallet_plugin_la_SOURCES = keystore/kwallet.cpp keystore/kwallet.hpp keystore/kwallet.moc.cpp
+nodist_libkwallet_plugin_la_SOURCES = keystore/kwallet.moc.cpp
+CLEANFILES += $(nodist_libkwallet_plugin_la_SOURCES)
+libkwallet_plugin_la_SOURCES = keystore/kwallet.cpp keystore/kwallet.hpp
 libkwallet_plugin_la_CPPFLAGS = $(AM_CPPFLAGS)
 libkwallet_plugin_la_CXXFLAGS = $(KWALLET_CXXFLAGS)
 libkwallet_plugin_la_LIBADD = $(KWALLET_LIBS)