[SSL] add openssl

Change-Id: I22299fc186351dfedabd9e47c90b0283ca6bb29d
diff --git a/mbtk/mbtk_lib/Makefile b/mbtk/mbtk_lib/Makefile
index 9ab7896..a3345fc 100755
--- a/mbtk/mbtk_lib/Makefile
+++ b/mbtk/mbtk_lib/Makefile
@@ -22,6 +22,8 @@
 	-lpostproc \
 	-lswresample \
 	-lswscale
+else
+LIBS += -lssl -lcrypto
 endif
 
 CFLAGS += -shared -Wl,-shared,-Bsymbolic