enchant: Create compatibility links for enchant 1.x

As the package is not installed in parallel ensure compatibility [1].

> rm -rf /usr/include/enchant; ln -sfn ...: Create symlinks for this
> package version so that other other packages can find it using the old
> name.

The warning below is shown.

```
[BEE] => entering mee_install_post() ..
‘/dev/shm/bee-root/enchant/enchant-2.2.3-0/image//usr/include/enchant’ -> ‘enchant-2’
‘/dev/shm/bee-root/enchant/enchant-2.2.3-0/image//usr/bin/enchant’ -> ‘enchant-2’
‘/dev/shm/bee-root/enchant/enchant-2.2.3-0/image//usr/lib/libenchant.so’ -> ‘libenchant-2.so’
‘/dev/shm/bee-root/enchant/enchant-2.2.3-0/image//usr/lib/pkgconfig/enchant.pc’ -> ‘enchant-2.pc’
[BEE] <= leaving mee_install_post() ..
[BEE] changing to image directory: /dev/shm/bee-root/enchant/enchant-2.2.3-0/image
[BEE] WARNING: system and image files named '/usr/include/enchant' differ
[BEE]          image : symbolic link to enchant-2
[BEE]          system: directory
[BEE]  -> creating package enchant-2.2.3-0.x86_64.bee.tar.bz2 ..
```

[1]: http://www.linuxfromscratch.org/blfs/view/svn/general/enchant.html

enchant.be0

@@ -61,6 +61,13 @@ mee_configure() {
 #}
 ## by default this may be 'make install DESTDIR="${D}"'
 
+mee_install_post() {
+    ln -sfv enchant-2 ${D}/${INCLUDEDIR}/enchant
+    ln -sfv enchant-2 ${D}/${BINDIR}/enchant
+    ln -sfv libenchant-2.so ${D}/${LIBDIR}/libenchant.so &&
+    ln -sfv enchant-2.pc ${D}/${LIBDIR}/pkgconfig/enchant.pc
+}
+
 ###############################################################################
 ##
 ## Additional hints: