Add missing OpenSSL CFLAGS/LDFLAGs to build.

Those were removed by mistake in the previous autotool refactor.

configure.ac

@@ -15,7 +15,11 @@ AC_PROG_YACC
 m4_ifndef([PKG_PROG_PKG_CONFIG], [m4_fatal([Please install pkg-config.])])
 PKG_PROG_PKG_CONFIG
 
-PKG_CHECK_MODULES(OPENSSL, [libssl >= 0.9.8 libcrypto >= 0.9.8], [with_openssl=yes], [with_openssl=no])
+PKG_CHECK_MODULES(OPENSSL, [libssl >= 0.9.8 libcrypto >= 0.9.8], [
+			    with_openssl=yes
+			    AC_DEFINE([HAVE_LIBSSL], [1],
+						       [Build SSL support])
+			    ], [ with_openssl=no ])
 
 AC_CACHE_CHECK([whether $CC accepts PIE flags], [ap_cv_cc_pie], [
 	save_CFLAGS=$CFLAGS

src/Makefile.am

@@ -12,10 +12,13 @@ libbip_a_SOURCES = conf.y lex.l \
 	tuple.h \
 	util.c util.h
 
+libbip_a_CFLAGS = ${OPENSSL_CFLAGS}
+
 bin_PROGRAMS = bip bipmkpw
 
 bip_SOURCES = bip_main.c
-bip_LDADD = libbip.a
+bip_LDADD = libbip.a ${OPENSSL_LIBS}
+
 
 bipmkpw_SOURCES = bipmkpw.c md5.c util.c
 AM_YFLAGS= -d