Exported set-effective-gid.

scsh/scsh-interfaces.scm

@@ -364,6 +364,7 @@
 	  user-supplementary-gids
 	  set-uid
 	  set-gid
+	  set-effective-gid
 
 	  system-name
 	  process-times
@@ -1084,9 +1085,6 @@
 	  set-interrupt-handler
 	  interrupt-handler
 
-	  %set-unix-signal-handler
-	  %unix-signal-handler
-
 	  ;; reexported from low-interrupt
 	  interrupt/alrm interrupt/alarm
 	  interrupt/int  interrupt/keyboard