scripts/manage in rvm-0.1.22 vs scripts/manage in rvm-0.1.23

@@ -537,11 +537,13 @@
         #mv $rvm_ruby_home/lib/ironruby $rvm_ruby_home/lib/IronRuby
       fi
 
       builtin cd $rvm_ruby_src_path
 
+      $rvm_bin_path/rvm 1.8.7 -S gem install pathname2 --no-rdoc --no-ri
+
       # MONO_LIB=/Library/Frameworks/Mono.framework/Versions/current/lib/
-      rvm_ruby_make="rake MERLIN_ROOT=\"$rvm_ruby_src_path/Merlin/Main\" compile mono=1 configuration=release --trace"
+      rvm_ruby_make="$rvm_bin_path/rvm 1.8.7 -S rake MERLIN_ROOT=\"$rvm_ruby_src_path/Merlin/Main\" compile mono=1 configuration=release --trace"
       __rvm_run "rake" "$rvm_ruby_make" "Building IronRuby..."
       if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
 
       rm -rf $rvm_ruby_home/*
       mkdir -p $rvm_ruby_home/bin $rvm_ruby_home/lib $rvm_ruby_home/lib/ruby $rvm_ruby_home/lib/IronRuby