Add new package haiku_cross_devel_wrapper.

* this package wraps the haiku_cross_devel package (i.e. it contains
  that package in /develop/cross)
* the wrapper package is meant to be installed into the system 
  hierarchy, from where haikuporter will fetch the contained package
  when needed

src/data/package_infos/generic/haiku_cross_devel_wrapper

@@ -0,0 +1,22 @@
+name			haiku_cross_devel_wrapper
+version			R1~alpha4_pm-1
+architecture	HAIKU_PACKAGING_ARCH
+summary			"Contains a package with system files for cross development"
+
+description		"This package provides a package that contains all files 
+associated with the base system needed for cross development, like static 
+libraries, glue code, library symlinks, header files, etc."
+
+packager		"The Haiku build system"
+vendor			"Haiku Project"
+
+copyrights		"2001-2013 Haiku, Inc. et al"
+licenses		"MIT"
+
+provides {
+	haiku_cross_devel_wrapper = R1~alpha4_pm-1
+}
+
+requires {
+	haiku == R1~alpha4_pm-1
+}