aquire_terminal(): fix uninitialized variable
./src/shared/util.c:2457:45: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized]
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@ -2385,7 +2385,7 @@ int acquire_terminal(
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bool ignore_tiocstty_eperm,
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usec_t timeout) {
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int fd = -1, notify = -1, r, wd = -1;
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int fd = -1, notify = -1, r = 0, wd = -1;
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usec_t ts = 0;
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struct sigaction sa_old, sa_new;
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