Index: lib/shell.h
--- lib/shell.h.orig
+++ lib/shell.h
@@ -18,7 +18,8 @@ typedef enum
     SHELL_DASH,                 /* Debian variant of ash */
     SHELL_TCSH,
     SHELL_ZSH,
-    SHELL_FISH
+    SHELL_FISH,
+    SHELL_KSH
 } shell_type_t;
 
 /*** structures declarations (and typedefs of structures)*****************************************/