- Added commandline error code convertor (util/strerror)

diff --git a/programs/Makefile b/programs/Makefile
index e6771ce..8780633 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -28,6 +28,7 @@
 	random/gen_random_ctr_drbg				\
 	test/ssl_cert_test	test/benchmark		\
 	test/selftest		test/ssl_test		\
+	util/strerror							\
 	x509/cert_app		x509/crl_app		\
 	x509/cert_req
 
@@ -163,6 +164,10 @@
 	echo   "  CC    test/ssl_test.c"
 	$(CC) $(CFLAGS) $(OFLAGS) test/ssl_test.c    $(LDFLAGS) -o $@
 
+util/strerror: util/strerror.c ../library/libpolarssl.a
+	echo   "  CC    util/strerror.c"
+	$(CC) $(CFLAGS) $(OFLAGS) util/strerror.c    $(LDFLAGS) -o $@
+
 x509/cert_app: x509/cert_app.c ../library/libpolarssl.a
 	echo   "  CC    x509/cert_app.c"
 	$(CC) $(CFLAGS) $(OFLAGS) x509/cert_app.c    $(LDFLAGS) -o $@