in header is _PAM_LEGACY_NONCONST used and in source RT_OS_SOLARIS for that

diff --git a/Config.kmk b/Config.kmk
index 7d4f515..e6f3ccc 100644
--- a/Config.kmk
+++ b/Config.kmk
@@ -1967,7 +1967,7 @@ DEFS.netbsd      = RT_OS_NETBSD
 DEFS.openbsd     = RT_OS_OPENBSD
 DEFS.os2         = RT_OS_OS2
 DEFS.os-agnostic = RT_OS_AGNOSTIC
-DEFS.solaris     = RT_OS_SOLARIS _FILE_OFFSET_BITS=64
+DEFS.solaris     = RT_OS_SOLARIS _FILE_OFFSET_BITS=64 _PAM_LEGACY_NONCONST
 DEFS.win         = RT_OS_WINDOWS __WIN__
 DEFS.win.x86     = __WIN32__
 DEFS.win.amd64   = __WIN64__