web: build/autohold: fix props input

I am currently getting the below error in my console about the type
passed to AutoholdModal.  Convert the change to a string.

Warning: Failed prop type: Invalid prop `change` of type `number` \
  supplied to `AutoholdModal`, expected `string`.
    in AutoholdModal (created by ConnectFunction)
    in ConnectFunction (at Build.jsx:273)
    in Build (created by ConnectFunction)
    in ConnectFunction (at Build.jsx:254)
    in section (created by PageSection)
    < .. and so on ..>

Change-Id: I9c9a5edfa18f0344ac4a50c62c798a5d4e404c18

1 files changed, 1 insertions, 1 deletions

diff --git a/web/src/containers/build/Build.jsx b/web/src/containers/build/Build.jsx
index 80d0c1b8b..7acfa5887 100644
--- a/web/src/containers/build/Build.jsx
+++ b/web/src/containers/build/Build.jsx
@@ -273,7 +273,7 @@ function Build({ build, tenant, timezone, user }) {
       {<AutoholdModal
         showAutoholdModal={showAutoholdModal}
         setShowAutoholdModal={setShowAutoholdModal}
-        change={change}
+        change={String(change)}
         changeRef={ref}
         project={project}
         jobName={job_name}