* src/lib/mkmf-gnome2.rb: Added PKGConfig.modversion, .check_version?. 	PKGConfig#have_package accept major, minor micro version to check 	the module version correctly. 	Pointed out by Kouhei Sutou.
* src/lib/mkmf-gnome2.rb: Added PKGConfig.modversion, .check_version?.
	PKGConfig#have_package accept major, minor micro version to check
	the module version correctly.
	Pointed out by Kouhei Sutou.


benolee/ruby-gnome2,benolee/ruby-gnome2,benolee/ruby-gnome2