widgets/msgview: Reap the filter command

The filter command shells out and returns almost immediately. Call
Wait() so the filter process gets reaped. Prior to this patch, aerc
creates a zombie process for every email that is viewed.

Signed-off-by: Kevin Kuehler <keur@xcf.berkeley.edu>

1 files changed, 1 insertions, 0 deletions

diff --git a/widgets/msgviewer.go b/widgets/msgviewer.go
index d5bbace7..05da2a08 100644
--- a/widgets/msgviewer.go
+++ b/widgets/msgviewer.go
@@ -537,6 +537,7 @@ func (pv *PartViewer) attemptCopy() {
 			go func() {
 				<-ch
 				<-ch
+				pv.filter.Wait()
 				pv.pagerin.Close()
 			}()
 		}