Update c-style cast.

algo/detectors/sts/HitfinderChain.cxx

@@ -757,7 +757,7 @@ void sts::HitfinderChain::EnsureClustersSane(gsl::span<ClusterIdx> hClusterIdx,
     for (int i = 0; i < nClusters; i++) {
       auto& cidx = clusterIdx[i];
 
-      if ((int) cidx.fIdx < 0 || size_t(cidx.fIdx) >= fHitfinder.maxClustersPerModule) {
+      if (int(cidx.fIdx) < 0 || size_t(cidx.fIdx) >= fHitfinder.maxClustersPerModule) {
         L_(fatal) << "Cluster " << i << " of module " << m << " has invalid index " << cidx.fIdx;
         std::abort();
       }