fix go mod issue

Signed-off-by: Harshal Patil <harshal.patil@in.ibm.com>

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/Microsoft/go-winio v0.4.12 // indirect
 	github.com/Microsoft/hcsshim v0.8.6 // indirect
 	github.com/VividCortex/ewma v1.1.1 // indirect
-	github.com/containerd/containerd v1.2.7 // indirect
+	github.com/containerd/containerd v1.2.7
 	github.com/containerd/continuity v0.0.0-20180216233310-d8fb8589b0e8 // indirect
 	github.com/containers/buildah v1.8.4
 	github.com/containers/image v1.5.2-0.20190717062552-2178abd5f9b1
@@ -73,4 +73,4 @@ require (
 	k8s.io/client-go v0.0.0-20181219152756-3dd551c0f083 // indirect
 )
 
-replace github.com/containers/image => github.com/lumjjb/image v1.5.2-0.20190726025605-f86aed13fd69
+replace github.com/containers/image => github.com/lumjjb/image v1.5.2-0.20190729211032-137ede3d391f

go.sum

@@ -71,8 +71,8 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/lumjjb/image v1.5.2-0.20190726025605-f86aed13fd69 h1:Gew3tYkwHoNgeLJm9j/x/p6+IfiO7lrFa+59popbezA=
-github.com/lumjjb/image v1.5.2-0.20190726025605-f86aed13fd69/go.mod h1:vzJZenFjoFdM5+UKpRCDVFTYBKgV2Aug5RIkslUV6ao=
+github.com/lumjjb/image v1.5.2-0.20190729211032-137ede3d391f h1:8zJ7pgEXJOdi2t3pTR6+IhTeyuWe7P8CLbD+ogJsfpo=
+github.com/lumjjb/image v1.5.2-0.20190729211032-137ede3d391f/go.mod h1:vzJZenFjoFdM5+UKpRCDVFTYBKgV2Aug5RIkslUV6ao=
 github.com/mattn/go-isatty v0.0.4 h1:bnP0vzxcAdeI1zdubAl5PjU6zsERjGZb7raWodagDYs=
 github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-shellwords v1.0.5 h1:JhhFTIOslh5ZsPrpa3Wdg8bF0WI3b44EMblmU9wIsXc=