app: in GimpBacktrace Windows backend, return NULL backtrace if not initialized
In the Windows implementation of gimp_backtrace_new(), return NULL
if the backend is not fully initialized.
(cherry picked from commit 95b69dd77b
)
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@ -370,6 +370,9 @@ gimp_backtrace_new (gboolean include_current_thread)
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DWORD tid;
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DWORD tid;
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gint i;
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gint i;
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if (! initialized)
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return NULL;
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g_mutex_lock (&mutex);
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g_mutex_lock (&mutex);
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if (! gimp_backtrace_enumerate_threads ())
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if (! gimp_backtrace_enumerate_threads ())
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