Use linux-any wildcard for libselinux1-dev Build-Depends

Instead of using a list of negated architectures. This will make the job
easier for new ports. And it's just more correct.

debian/changelog

@@ -62,6 +62,8 @@ dpkg (1.15.8) UNRELEASED; urgency=low
     Closes: #574704
   * Rewrite mksplit in C, and merge it into dpkg-split.
   * Rewrite dpkg-divert in C.
+  * Use linux-any wildcard for libselinux1-dev Build-Depends instead of
+    using a list of negated architectures.
 
   [ Updated programs translations ]
   * Catalan (Guillem Jover).

debian/control

@@ -12,7 +12,7 @@ Standards-Version: 3.8.4
 Build-Depends: debhelper (>= 6.0.7), pkg-config,
  gettext (>= 0.18), po4a (>= 0.33.1),
  libncursesw5-dev, zlib1g-dev (>= 1:1.1.3-19.1), libbz2-dev, flex,
- libselinux1-dev (>= 1.28-4) [!hurd-i386 !kfreebsd-i386 !kfreebsd-amd64],
+ libselinux1-dev (>= 1.28-4) [linux-any],
  libtimedate-perl, libio-string-perl
 
 Package: libdpkg-dev