Vodz last_patch_122, Check $PATH at runtime to fix tab completion

shell/cmdedit.h

@@ -3,6 +3,10 @@
 
 int     cmdedit_read_input(char* promptStr, char* command);
 
+#ifdef CONFIG_ASH
+extern const char *cmdedit_path_lookup;
+#endif
+
 #ifdef CONFIG_FEATURE_COMMAND_SAVEHISTORY
 void    load_history ( const char *fromfile );
 void    save_history ( const char *tofile );