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Thomas Haller authored
Previously nm_ppp_manager_stop() would return a handle which makes it easy to cancel the operation. However, sometimes, we may want to cancel an operation based on an GCancellable. So, extend nm_ppp_manager_stop() to hook it with a cancellable. Essentially, move the code from nm-modem.c to nm-ppp-manager-call.c, where it belongs and where the functionality gets available to every component.
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