backward compat tweaks

EcCommand.m

@@ -3384,6 +3384,11 @@ static NSMutableDictionary	*launchInfo = nil;
 						repeats: NO];
 }
 
+- (void) terminate
+{
+  [self terminate: nil];
+}
+
 - (void) timedOut: (NSTimer*)t
 {
   static BOOL	inTimeout = NO;

EcControl.m

@@ -1852,7 +1852,7 @@ static NSString*	cmdWord(NSArray* a, unsigned int pos)
         {
           NS_DURING
             {
-              [[c obj] terminate];
+              [[c obj] terminate: nil];
             }
           NS_HANDLER
             {