confd: adjust libxcrypt dependency slightly

Ubuntu 22.04 (ubuntu-latest runner on GitHub) has a slightly earlier
version of libxcrypt.  The only hard requirement we have is yescrypt
support, so we can relax the configure check slightly to be able to
run coverity scan.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/confd/configure.ac

@@ -56,7 +56,7 @@ AS_IF([test "x$with_crypt" != "xno"], [
 # Check for pkg-config first, warn if it's not installed
 PKG_PROG_PKG_CONFIG
 
-PKG_CHECK_MODULES([crypt],   [libxcrypt >= 4.4.36])
+PKG_CHECK_MODULES([crypt],   [libxcrypt >= 4.4.27])
 PKG_CHECK_MODULES([glib],    [glib-2.0 >= 2.50 gio-2.0 gio-unix-2.0])
 PKG_CHECK_MODULES([jansson], [jansson >= 2.0.0])
 PKG_CHECK_MODULES([libite],  [libite >= 2.5.0])