[build] Remove the reference to introspection.m4

The introspection.m4 file is inside build/autotools.

diff --git a/Makefile.am b/Makefile.am
index 61273df..e84e9d7 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -16,7 +16,7 @@ CLEANFILES = clutter-gtk-0.9.pc
 
 DISTCLEANFILES = clutter-gtk.pc
 
-EXTRA_DIST = clutter-gtk.pc.in introspection.m4
+EXTRA_DIST = clutter-gtk.pc.in
 
 DISTCHECK_CONFIGURE_FLAGS = --enable-gtk-doc --enable-maintainer-flags