samba4: Update to 4.9.2

Update Samba to 4.9.2
Refresh patches

Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>

net/samba4/patches/001-samba-4.4.0-pam.patch

@@ -1,6 +1,6 @@
---- samba-4.4.0rc2/source3/wscript
-+++ samba-4.4.0rc2/source3/wscript
-@@ -870,7 +870,7 @@
+--- a/source3/wscript
++++ b/source3/wscript
+@@ -843,7 +843,7 @@ msg.msg_accrightslen = sizeof(fd);
          if conf.env.with_iconv:
              conf.DEFINE('HAVE_ICONV', 1)
  
@@ -9,9 +9,9 @@
          use_pam=True
          conf.CHECK_HEADERS('security/pam_appl.h pam/pam_appl.h')
          if not conf.CONFIG_SET('HAVE_SECURITY_PAM_APPL_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_APPL_H'):
-@@ -943,6 +943,17 @@
-             conf.DEFINE('WITH_PAM', 1)
-             conf.DEFINE('WITH_PAM_MODULES', 1)
+@@ -920,6 +920,17 @@ int i; i = PAM_RADIO_TYPE;
+                        "or headers not found. Use --without-pam to disable "
+                        "PAM support.");
  
 +    else:
 +        Logs.warn("PAM disabled")