[PD-dev] patch for fixing a number of GOP issues/instabilities in 0.42.5 vanilla & extended

[Ivica Ico Bukvic]

The attached patch fixes following bugs in both extended and vanilla
0.42.5 Pd:

*hidetext GOP property not being saved properly with the patch
*stale object drawn when gop is turned off while gop-ed patcher is open
*random crashes that result from the former misbehavior
*gop-ed patchers now save properties to the saved file using the new gop
format (as defined in the g_readwrite.c), rather than old pre-0.38
format

Synopsis:
Basically x->gl_goprect = 1; in g_editor.c is never reached when the
gop-ed patcher has no elements in it. Added if statement checks if
g_list is empty and adjusts accordingly.

Cheers!

Ico

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