#264 edit-mode and run-mode look the same on pd-ext

[IOhannes m zmölnig]

on Pd-0.40.3-extended-20080410-windowsxp-i386, there is no visual distinction between run-mode and edit-mode.

or rather, once you switch to edit-mode, the cursor will stay a "hand", no matter which mode you are in

this frequently led me to believe, that Pd was not responding any more:
- open new patch (cursor in arrow-mode)
- Ctrl-1 (cursor becomes hand)
- type text into the objectbox
- switch to run-mode to instantiate object (cursor stays hand)
- get distracted
- try to continue editing, since the cursor indicates that we are n run-mode
- be baffled

[Hans-Christoph Steiner]

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There was a typo in "right_ptr", but also switched
pointers to make Pd use the default pointer normally, then a special pointer
when something is clickable. Here's the commit:

http://pure-data.svn.sourceforge.net/viewvc/pure-data?view=rev&revision=9731