watchd: remove catch-it-all except statements

it took considerable time to figure out why it suddenly stopped
working due to a typo inside the try/except block.

proxywatchd.py

@@ -66,7 +66,6 @@ class WorkerJob():
 
 			except KeyboardInterrupt as e:
 				raise(e)
-			except: sock.disconnect()
 
 		return None, None, None, None, None, fail_inc
 
@@ -100,7 +99,7 @@ class WorkerJob():
 				_log('%s://%s;%s d: %.2f sec(s);%s srv: %s; recv: %s' % (proto, self.proxy, cstats, duration, torstats, srv, recvstats), 'xxxxx')
 		except KeyboardInterrupt as e:
 			raise e
-		except:
+		except rocksock.RocksockException as e:
 			self.failcount += 1
 		finally:
 			sock.disconnect()