Fix missing } in gr-reply-dialog

Release-Notes: skip
Change-Id: I9d31bf81251cbfd4319c548caba5b32b099957f9

polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog.ts

diff --git a/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog.ts b/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog.ts
index fc4e747..1836f90 100644
--- a/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog.ts
+++ b/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog.ts
@@ -489,7 +489,7 @@
         }
         .edit-attention-button gr-icon {
           color: inherit;
-          
+        }
         .attentionSummary .edit-attention-button gr-icon {
           /* The line-height:26px hack (see below) requires us to do this.
            Normally the gr-icon would account for a proper positioning