vendor: bump google/shlex e7afc7fbc51079733e9468cdfd1efcd7d196cd1d

full diff: 6f45313302...e7afc7fbc5

- google/shlex#2 Remove unnecessary UnreadRune call
- google/shlex#3 Add go.mod

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor.conf

@@ -30,7 +30,7 @@ github.com/moby/buildkit                            4f4e03067523b2fc5ca2f17514a5
 github.com/tonistiigi/fsutil                        3bbb99cdbd76619ab717299830c60f6f2a533a6b
 github.com/grpc-ecosystem/grpc-opentracing          8e809c8a86450a29b90dcc9efbf062d0fe6d9746
 github.com/opentracing/opentracing-go               1361b9cd60be79c4c3a7fa9841b3c132e40066a7
-github.com/google/shlex                             6f45313302b9c56850fc17f99e40caebce98c716
+github.com/google/shlex                             e7afc7fbc51079733e9468cdfd1efcd7d196cd1d
 github.com/opentracing-contrib/go-stdlib            b1a47cfbdd7543e70e9ef3e73d0802ad306cc1cc
 github.com/mitchellh/hashstructure                  2bca23e0e452137f789efbc8610126fd8b94f73b
 github.com/gofrs/flock                              392e7fae8f1b0bdbd67dad7237d23f618feb6dbb # v0.7.1

vendor/github.com/google/shlex/go.mod

@@ -0,0 +1,3 @@
+module github.com/google/shlex
+
+go 1.13

vendor/github.com/google/shlex/shlex.go

@@ -253,7 +253,6 @@ func (t *Tokenizer) scanStream() (*Token, error) {
 					}
 				case spaceRuneClass:
 					{
-						t.input.UnreadRune()
 						token := &Token{
 							tokenType: tokenType,
 							value:     string(value)}