update golang.org/x/tools to latest

Also update the vendor directory.

Fixes rogpeppe#118

go.mod

@@ -1,6 +1,8 @@
 module github.com/rogpeppe/godef
 
+go 1.14
+
 require (
 	9fans.net/go v0.0.0-20181112161441-237454027057
-	golang.org/x/tools v0.0.0-20181130195746-895048a75ecf
+	golang.org/x/tools v0.0.0-20200226224502-204d844ad48d
 )

go.sum

@@ -1,4 +1,16 @@
 9fans.net/go v0.0.0-20181112161441-237454027057 h1:OcHlKWkAMJEF1ndWLGxp5dnJQkYM/YImUOvsBoz6h5E=
 9fans.net/go v0.0.0-20181112161441-237454027057/go.mod h1:diCsxrliIURU9xsYtjCp5AbpQKqdhKmf0ujWDUSkfoY=
-golang.org/x/tools v0.0.0-20181130195746-895048a75ecf h1:1efYtlcDNt7EL138lS6P4KphZ1KEMWvhFa3FsLbTWEY=
-golang.org/x/tools v0.0.0-20181130195746-895048a75ecf/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee h1:WG0RUwxtNT4qqaXX3DPA8zHFNm/D9xaBpxzHt1WcA/E=
+golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/tools v0.0.0-20200226224502-204d844ad48d h1:loGv/4fxITSrCD4t2P8ZF4oUC4RlRFDAsczcoUS2g6c=
+golang.org/x/tools v0.0.0-20200226224502-204d844ad48d/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898 h1:/atklqdjdhuosWIl6AIbOeHJjicWYPqR9bpxqxYG2pA=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=