fix bug with extra write to done channel

.idea/workspace.xml

@@ -2,7 +2,8 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="fc2840de-29dc-4fca-8e0e-a283562f60ca" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/reporter_linux.go" beforeDir="false" afterPath="$PROJECT_DIR$/reporter_linux.go" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/client.go" beforeDir="false" afterPath="$PROJECT_DIR$/client.go" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />

client.go

@@ -535,6 +535,5 @@ func (c *Client) Stop() {
 	if c.Running && c.cancel != nil {
 		c.cancel()
 		os.Remove(c.reportingFile)
-		c.Done <- true
 	}
 }