Hardcode LIBS instead of using a script to determine available libs

We want to avoid this dynamic detection so we have a deterministic
build.

Upstream-Status: Inappropriate [config]

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>

diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@
 #CFLAGS = -g
 CFLAGS	=	-O2 -Wall -W -Wshadow #-pedantic -Werror -Wconversion
 
-LIBS	=	`./vsf_findlibs.sh`
+LIBS	=	-lssl -lcrypto -lnsl -lresolv
 LINK	=	-Wl,-s
 
 OBJS	=	main.o utility.o prelogin.o ftpcmdio.o postlogin.o privsock.o \