Minor change

prefer pre-increment over post-increment.

Author: shahzadlone

lib/Serialization/ModuleFile.cpp

@@ -1016,7 +1016,7 @@ ModuleFile::readGroupTable(ArrayRef<uint64_t> Fields, StringRef BlobData) {
     new ModuleFile::GroupNameTable);
   auto Data = reinterpret_cast<const uint8_t *>(BlobData.data());
   unsigned GroupCount = endian::readNext<uint32_t, little, unaligned>(Data);
-  for (unsigned I = 0; I < GroupCount; I++) {
+  for (unsigned I = 0; I < GroupCount; ++I) {
     auto RawSize = endian::readNext<uint32_t, little, unaligned>(Data);
     auto RawText = StringRef(reinterpret_cast<const char *>(Data), RawSize);
     Data += RawSize;