[vala] vapigen: support GIRDIRS variable in Makefile.vapigen

[Evan Nemerson <evann src gnome org>]

commit c3bc95e78cc6ae2b08bb9b853b3014499288411b
Author: Evan Nemerson <evan coeus-group com>
Date:   Tue Oct 9 21:26:17 2012 -0700

    vapigen: support GIRDIRS variable in Makefile.vapigen

 vapigen/Makefile.vapigen |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/vapigen/Makefile.vapigen b/vapigen/Makefile.vapigen
index 30e515b..03fb2e4 100644
--- a/vapigen/Makefile.vapigen
+++ b/vapigen/Makefile.vapigen
@@ -53,6 +53,7 @@ $(1): $$($(_vapi_name)_GIR)
 	  --library $(1:.vapi=) \
 	  $(foreach _vapi_metadatadir_name,$(if $($(_vapi_name)_METADATADIRS),$($(_vapi_name)_METADATADIRS),$(VAPIGEN_METADATADIRS)),--metadatadir $(_vapi_metadatadir_name)) \
 	  $(foreach _vapi_dir_name,$(if $($(_vapi_name)_VAPIDIRS),$($(_vapi_name)_VAPIDIRS),$(VAPIGEN_VAPIDIRS)),--vapidir $(_vapi_dir_name)) \
+	  $(foreach _gir_dir_name,$(if $($(_vapi_name)_GIRDIRS),$($(_vapi_name)_GIRDIRS),$(VAPIGEN_GIRDIRS)),--girdir $(_gir_dir_name)) \
 	  $(foreach _vapi_dep_name,$(if $($(_vapi_name)_DEPS),$($(_vapi_name)_DEPS),$(VAPIGEN_DEPS)),--pkg $(_vapi_dep_name)) \
 	  $$($(_vapi_name)_FILES)
 endef