Fix the environment so Ruby-Augeas finds the Augeas package information.

This has not been pushed upstream as it is Solaris-specific.

--- ruby-augeas-0.5.0/ext/augeas/extconf.rb.orig 2016-04-29 14:31:16.171732595 -0600

+++ ruby-augeas-0.5.0/ext/augeas/extconf.rb 2016-04-29 14:31:39.159244851 -0600

@@ -23,12 +23,13 @@

extension_name = '_augeas'

-unless pkg_config("augeas")

- raise "augeas-devel not installed"

+$CFLAGS += " -I/usr/include/libxml2"

+unless have_library("augeas")

+ raise "libaugeas not installed"

end

-unless pkg_config("libxml-2.0")

- raise "libxml2-devel not installed"

+unless have_library("xml2")

+ raise "libxml2 not installed"

end

create_makefile(extension_name)