fix auto_execs for tclkit so able to call self as sub process

src/punk86.vfs/main.tcl

@@ -1,6 +1,15 @@
 
 package require starkit
 starkit::startup
+
+#when run as a tclkit - the exe is mounted as a dir and Tcl's auto_execok doesn't find it
+set thisexe [file tail [info nameofexecutable]]
+set thisexeroot [file rootname $thisexe]
+set ::auto_execs($thisexeroot) [info nameofexecutable]
+if {$thisexe ne $thisexeroot} {
+    set ::auto_execs($thisexe) [info nameofexecutable]
+}
+
 if {[llength $::argv]} {
     package require app-shellspy
 } else {