BUGFIX: Fixed possible crash when parsing filter file

Changelog

@@ -3,6 +3,8 @@
     - BUGFIX: qBittorrent now prints backtrace in terminal when segfaulting
     - BUGFIX: Fixed files progress display in torrent properties
     - BUGFIX: Improved torrent ratio calculation
+    - BUGFIX: Fixed possible crash when parsing filter file
+    - BUGFIX: Made some code optimization
     - I18N: Updated Bulgarian and Greek translations
 
 * Fri Jan 9 2009 - Christophe Dumez <chris@qbittorrent.org> - v1.3.0

src/filterParserThread.h

@@ -178,6 +178,7 @@ class FilterParserThread : public QThread  {
           }
           // Now Add to the filter
           QStringList IP;
+          try {
               if(IPv4) {
                 //IPv4 addresses
                 IP = strStartIP.split('.');
@@ -195,6 +196,9 @@ class FilterParserThread : public QThread  {
                 // Apply to bittorrent session
                 filter.add_rule(start, last, ip_filter::blocked);
               }
+          }catch(exception){
+                qDebug("Bad line in filter file, avoided crash...");
+          }
         }
         file.close();
       }