Warnings for newhope about liboqs

[tlepoint]

Now, it does not compile anymore...

libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I../.. -I../../include -I. -g -std=gnu11 -Wno-unused-function -Werror -Wpedantic -Wall -Wextra -DCONSTANT_TIME -DAES_ENABLE_NI -g -O2 -MT libnewhope_la-newhope.lo -MD -MP -MF .deps/libnewhope_la-newhope.Tpo -c newhope.c -o libnewhope_la-newhope.o
newhope.c:53:13: error: unused function 'keygen' [-Werror,-Wunused-function]
static void keygen(unsigned char *send, poly *sk, OQS_RAND *rand) {
            ^
newhope.c:73:13: error: unused function 'sharedb' [-Werror,-Wunused-function]
static void sharedb(unsigned char *sharedkey, unsigned char *send,
            ^
newhope.c:106:13: error: unused function 'shareda' [-Werror,-Wunused-function]
static void shareda(unsigned char *sharedkey, const poly *sk,
            ^
3 errors generated.
make[2]: *** [libnewhope_la-newhope.lo] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

[dstebila]

Close by #122