build-sys: add missing header

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/include/Makemodule.am b/include/Makemodule.am
index a62a8c4cc274243e7542e734124a15138bd027e0..92d1c305885693bed3aa34c15b13fbdb8b3386ba 100644 (file)
--- a/include/Makemodule.am
+++ b/include/Makemodule.am
@@ -40,6 +40,7 @@ dist_noinst_HEADERS += \
        include/partx.h \
        include/path.h \
        include/pathnames.h \
+       include/pidfd-utils.h \
        include/plymouth-ctrl.h \
        include/procutils.h \
        include/pt-bsd.h \