Fix build without CGAL.

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@3589 92316355-f0b4-4df1-b90c-862c8a59935f

examples/Makefile.am

@@ -3,7 +3,7 @@
 AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/pipi -I../pipi
 
 noinst_PROGRAMS = edd img2rubik sharpen floodfill line bezier histogram \
-	colorstring img2twit $(makemovie) $(storyboard) $(img2twit)
+	colorstring $(makemovie) $(storyboard) $(img2twit)
 
 edd_SOURCES = edd.c
 edd_LDADD = ../pipi/libpipi.la