[node_resolve plugin] Don't crash if node plugin isn't loaded
[node_resolve plugin] Don't crash if node plugin isn't loaded

marijnh/tern,neoclide/tern,emacsmirror/tern,messfairy/tern,fileability/tern,fileability/tern,messfairy/tern,MarcelGerber/tern,albertinad/tern,MarcelGerber/tern,mcanthony/tern,neoclide/tern,messfairy/tern,othree/tern,marijnh/tern,ternjs/tern,emacsmirror/tern,mcanthony/tern,albertinad/tern,mcanthony/tern,marijnh/tern,othree/tern,othree/tern,ternjs/tern,MarcelGerber/tern,fileability/tern,emacsmirror/tern,albertinad/tern,ternjs/tern,neoclide/tern