[lldb] Move comments and add missing periods (NFC)

Move comments to the line before the member variables and add missing
periods.

Author: JDevlieghere

lldb/include/lldb/Utility/FileSpec.h

@@ -437,12 +437,20 @@ class FileSpec {
     No
   };
 
-  // Member variables
-  ConstString m_directory;            ///< The uniqued directory path
-  ConstString m_filename;             ///< The uniqued filename path
-  mutable bool m_is_resolved = false; ///< True if this path has been resolved.
-  mutable Absolute m_absolute = Absolute::Calculate; ///< Cache absoluteness.
-  Style m_style; ///< The syntax that this path uses (e.g. Windows / Posix)
+  /// The unique'd directory path.
+  ConstString m_directory;
+
+  /// The unique'd filename path.
+  ConstString m_filename;
+
+  /// True if this path has been resolved.
+  mutable bool m_is_resolved = false;
+
+  /// Cache whether this path is absolute.
+  mutable Absolute m_absolute = Absolute::Calculate;
+
+  /// The syntax that this path uses. (e.g. Windows / Posix)
+  Style m_style;
 };
 
 /// Dump a FileSpec object to a stream