NS_Provider_FR: Fix typos in log lines

Change-Id: I5661ba61dc0de78bc480c49d4aba6436a8694706
diff --git a/library/NS_Provider_FR.ttcn b/library/NS_Provider_FR.ttcn
index 30aadef..eb2fb24 100644
--- a/library/NS_Provider_FR.ttcn
+++ b/library/NS_Provider_FR.ttcn
@@ -51,7 +51,7 @@
 		alt {
 
 		[not link_available] FR.receive(FrameRelayFrame:?) -> value rx_fr {
-			log("Dropoing Rx Msg because FR link not yet available", rx_fr);
+			log("Dropping Rx Msg because FR link not yet available", rx_fr);
 				/* this can happen if the remote side has not yet recognized the
 				 * link is dead; don' fail here */
 			}
@@ -60,10 +60,10 @@
 			NSE.send(ns);
 			}
 		[not pvc_active] FR.receive(tr_FR(config.provider.fr.dlci)) -> value rx_fr {
-			log("Dropoing Rx Msg because FR DLC not yet available", rx_fr);
+			log("Dropping Rx Msg because FR DLC not yet available", rx_fr);
 			}
 		[] FR.receive(tr_FR(?)) -> value rx_fr {
-			log("Dropoing Rx Msg because DLCI unknown", rx_fr);
+			log("Dropping Rx Msg because DLCI unknown", rx_fr);
 			setverdict(fail);
 			}