* examples/Makefile.am: Use EXTRA_PROGRAMS and @RSA_EXAMPLES@.

Rev: src/nettle/examples/Makefile.am:1.5

examples/Makefile.am

 CFLAGS = -I$(top_srcdir) @CFLAGS@
 CPPFLAGS = @CPPFLAGS@
 
-noinst_PROGRAMS = nettle-benchmark rsa-keygen rsa-sign rsa-verify
+EXTRA_PROGRAMS = rsa-keygen rsa-sign rsa-verify
+noinst_PROGRAMS = nettle-benchmark @RSA_EXAMPLES@
 
 LDADD = io.o ../libnettle.a
 nettle_benchmark_LDADD = ../libnettle.a