Forward port fix for 193585 from stable

svn path=/trunk/extragear/network/ktorrent/; revision=971279

ChangeLog

@@ -43,6 +43,7 @@ Changes in 3.2.2 :
 - Fix crash when parsing DHT packets (190107)
 - Remove newlines from path names of files when present in torrent file (192652)
 - Properly check for GeoIP system library (193117)
+- Fix crash at exit caused by stopping torrent in it's destructor (193585)
 
 Changes in 3.2.1 :
 - Resort torrents if display name is changed

libbtcore/torrent/torrentcontrol.cpp

@@ -127,7 +127,11 @@ namespace bt
 	TorrentControl::~TorrentControl()
 	{
 		if (stats.running)
+		{
+			// block all signals to prevent crash at exit
+			blockSignals(true);
 			stop(false);
+		}
 		
 		if (tmon)
 			tmon->destroyed();