dmapi: bump version and update CHANGES

Index: dmapi-dev/doc/CHANGES
===================================================================
@@ -1,3 +1,6 @@
+dmapi-2.2.9
+	- Various build system updates.
+
 dmapi-2.2.8 (9 February 2007)
 	- Fix a problem in get_mnt() called by dm_handle_to_path()
 	  The "dmi" mount option was not considered.

Index: dmapi-dev/VERSION
===================================================================
@@ -3,5 +3,5 @@
 #
 PKG_MAJOR=2
 PKG_MINOR=2
-PKG_REVISION=8
+PKG_REVISION=9
 PKG_BUILD=1