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

src/punk86.vfs/main.tcl

@@ -1,10 +1,19 @@
 
-  package require starkit
+package require starkit
-  starkit::startup
+starkit::startup
-  if {[llength $::argv]} {
+
+#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 {
+} else {
     package require app-punk
     repl::start stdin
-  }
+}