[lsan] Initialize uptr value with number not boolean

compiler-rt/lib/lsan/lsan_common.cpp

void LeakReport::PrintSummary() {
   InternalScopedString summary;
   summary.append("%zu byte(s) leaked in %zu allocation(s).", bytes,
                  allocations);
   ReportErrorSummary(summary.data());
 }
 
 uptr LeakReport::ApplySuppressions() {
   LeakSuppressionContext *suppressions = GetSuppressionContext();
-  uptr new_suppressions = false;
+  uptr new_suppressions = 0;
   for (uptr i = 0; i < leaks_.size(); i++) {
     if (suppressions->Suppress(leaks_[i].stack_trace_id, leaks_[i].hit_count,
                                leaks_[i].total_size)) {
       leaks_[i].is_suppressed = true;
       ++new_suppressions;
     }
   }
   return new_suppressions;