Fix the top-level Makefile.am for the new example programs.

Makefile.am

diff --git a/Makefile.am b/Makefile.am
index d94bb7b..8963586 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -32,8 +32,16 @@
 
 examplesdir = $(docdir)/examples
 dist_examples_DATA = \
-	doc/examples/xz_pipe_comp.c \
-	doc/examples/xz_pipe_decomp.c
+	doc/examples/00_README.txt \
+	doc/examples/01_compress_easy.c \
+	doc/examples/02_decompress.c \
+	doc/examples/03_compress_custom.c \
+	doc/examples/Makefile
+
+examplesolddir = $(docdir)/examples_old
+dist_examplesold_DATA = \
+	doc/examples_old/xz_pipe_comp.c \
+	doc/examples_old/xz_pipe_decomp.c
 
 EXTRA_DIST = \
 	extra \