[flang] Reformat with latest clang-format and .clang-format

Original-commit: flang-compiler/f18@9fe84f45d7fd685051004678d6b5775dcc4c6f8f
Reviewed-on: https://github.com/flang-compiler/f18/pull/1094
diff --git a/flang/runtime/connection.h b/flang/runtime/connection.h
index 1c07161..67d4d77 100644
--- a/flang/runtime/connection.h
+++ b/flang/runtime/connection.h
@@ -25,33 +25,33 @@
 // These characteristics of a connection are immutable after being
 // established in an OPEN statement.
 struct ConnectionAttributes {
-  Access access{Access::Sequential};  // ACCESS='SEQUENTIAL', 'DIRECT', 'STREAM'
-  std::optional<std::int64_t> recordLength;  // RECL= when fixed-length
-  bool isUnformatted{false};  // FORM='UNFORMATTED'
-  bool isUTF8{false};  // ENCODING='UTF-8'
+  Access access{Access::Sequential}; // ACCESS='SEQUENTIAL', 'DIRECT', 'STREAM'
+  std::optional<std::int64_t> recordLength; // RECL= when fixed-length
+  bool isUnformatted{false}; // FORM='UNFORMATTED'
+  bool isUTF8{false}; // ENCODING='UTF-8'
 };
 
 struct ConnectionState : public ConnectionAttributes {
-  bool IsAtEOF() const;  // true when read has hit EOF or endfile record
+  bool IsAtEOF() const; // true when read has hit EOF or endfile record
   std::size_t RemainingSpaceInRecord() const;
   void HandleAbsolutePosition(std::int64_t);
   void HandleRelativePosition(std::int64_t);
 
   // Positions in a record file (sequential or direct, not stream)
-  std::int64_t currentRecordNumber{1};  // 1 is first
-  std::int64_t positionInRecord{0};  // offset in current record
-  std::int64_t furthestPositionInRecord{0};  // max(positionInRecord)
-  bool nonAdvancing{false};  // ADVANCE='NO'
+  std::int64_t currentRecordNumber{1}; // 1 is first
+  std::int64_t positionInRecord{0}; // offset in current record
+  std::int64_t furthestPositionInRecord{0}; // max(positionInRecord)
+  bool nonAdvancing{false}; // ADVANCE='NO'
 
   // Set at end of non-advancing I/O data transfer
-  std::optional<std::int64_t> leftTabLimit;  // offset in current record
+  std::optional<std::int64_t> leftTabLimit; // offset in current record
 
   // currentRecordNumber value captured after ENDFILE/REWIND/BACKSPACE statement
   // or an end-of-file READ condition on a sequential access file
   std::optional<std::int64_t> endfileRecordNumber;
 
   // Mutable modes set at OPEN() that can be overridden in READ/WRITE & FORMAT
-  MutableModes modes;  // BLANK=, DECIMAL=, SIGN=, ROUND=, PAD=, DELIM=, kP
+  MutableModes modes; // BLANK=, DECIMAL=, SIGN=, ROUND=, PAD=, DELIM=, kP
 };
-}
-#endif  // FORTRAN_RUNTIME_IO_CONNECTION_H_
+} // namespace Fortran::runtime::io
+#endif // FORTRAN_RUNTIME_IO_CONNECTION_H_