Makefile: Added missing header files

diff --git a/src/plugins/mail-filter/Makefile.am b/src/plugins/mail-filter/Makefile.am
index 803b131e64450d51638eb48f46b444696ce83c1d..0a9f9f4214f92c9f0cc491a6745c145c86e6bde3 100644 (file)
--- a/src/plugins/mail-filter/Makefile.am
+++ b/src/plugins/mail-filter/Makefile.am
@@ -17,4 +17,6 @@ lib10_mail_filter_plugin_la_SOURCES = \
        ostream-ext-filter.c
 
 noinst_HEADERS = \
+       istream-ext-filter.h \
+       ostream-ext-filter.h
        mail-filter-plugin.h