Update bundlescript shebangs to be bash, reflecting how they're actually invoked

Upstream-commit: 3ac76cfeffafcfdc3688fda58cb29d9bb7f6149b
Component: engine

components/engine/hack/make/binary

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 DEST=$1
 

components/engine/hack/make/dynbinary

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 DEST=$1
 

components/engine/hack/make/dyntest

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 DEST=$1
 INIT=$DEST/../dynbinary/dockerinit-$VERSION

components/engine/hack/make/test

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 DEST=$1
 

components/engine/hack/make/tgz

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 DEST="$1"
 BINARY="$DEST/../binary/docker-$VERSION"

components/engine/hack/make/ubuntu

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 DEST=$1