libcrypt: Update with routines from FreeBSD

This brings in support for MD5, SHA-256 and SHA-512 encryption.

packages/libcrypt/build.sh

@@ -1,9 +1,10 @@
 TERMUX_PKG_HOMEPAGE=http://michael.dipperstein.com/crypt/
 TERMUX_PKG_DESCRIPTION="A crypt(3) implementation"
-TERMUX_PKG_VERSION=0.1
+TERMUX_PKG_VERSION=0.2
+TERMUX_PKG_DEPENDS="openssl"
 
 termux_step_make_install () {
-	$CC $CFLAGS $LDFLAGS -fPIC -shared $TERMUX_PKG_BUILDER_DIR/crypt3.c -o $TERMUX_PREFIX/lib/libcrypt.so
+	$CC $CFLAGS $CPPFLAGS $LDFLAGS -Wall -Wextra -fPIC -shared $TERMUX_PKG_BUILDER_DIR/crypt3.c -lcrypto -o $TERMUX_PREFIX/lib/libcrypt.so
 	mkdir -p $TERMUX_PREFIX/include/
 	cp $TERMUX_PKG_BUILDER_DIR/crypt.h $TERMUX_PREFIX/include/
 }