fix some gcc warnings (#73) * tweak string size fix gcc8 warnings ``` svr-agentfwd.c: In function 'bindagent': svr-agentfwd.c:254:53: warning: '%s' directive output may be truncated writing up to 107 bytes into a region of size between 0 and 107 [-Wformat-truncation=] snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s", path, sockfile); ^~ ~~~~~~~~ svr-agentfwd.c:254:2: note: 'snprintf' output between 2 and 216 bytes into a destination of size 108 snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s", path, sockfile); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ``` * cleanup signed/unsigned comparison fix gcc8 warnings ``` scp.c: In function 'do_local_cmd': scp.c:132:17: warning: comparison of integer expressions of different signedness: 'u_int' {aka 'unsigned int'} and 'int' [-Wsign-compare] for (i = 0; i < a->num; i++) ^ scpmisc.c: In function 'addargs': scpmisc.c:161:25: warning: comparison of integer expressions of different signedness: 'int' and 'u_int' {aka 'unsigned int'} [-Wsign-compare] } else if (args->num+2 >= nalloc) ^~ scpmisc.c: In function 'replacearg': scpmisc.c:183:12: warning: comparison of integer expressions of different signedness: 'u_int' {aka 'unsigned int'} and 'int' [-Wsign-compare] if (which >= args->num) ^~ scpmisc.c: In function 'freeargs': scpmisc.c:196:17: warning: comparison of integer expressions of different signedness: 'u_int' {aka 'unsigned int'} and 'int' [-Wsign-compare] for (i = 0; i < args->num; i++) ^ ``` see https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/misc.h.diff?r1=1.16&r2=1.17

CC=libtool --mode=compile gcc

CFLAGS += -I../src/headers -I./ -Wall -W

# ranlib tools
ifndef RANLIB
   RANLIB=ranlib
endif

OBJECTS = base64_test.o cipher_hash_test.o der_tests.o                                   \
dsa_test.o ecc_test.o mac_test.o modes_test.o pkcs_1_test.o rsa_test.o                   \
store_test.o test_driver.o x86_prof.o katja_test.o

ifndef LIBTEST
   LIBTEST=libtomcrypt_prof.la
endif

default: $(LIBTEST)

$(LIBTEST): $(OBJECTS)
	libtool --silent --mode=link gcc $(CFLAGS) `find . -type f | grep "[.]lo" |  xargs` -o $@ -rpath $(LIBPATH) -version-info $(VERSION)

install: $(LIBTEST)
	libtool --silent --mode=install install -c $(LIBTEST) $(DESTDIR)$(LIBPATH)/$(LIBTEST)