message: Use std::vector instead of std::initializer_list.
  Starting with gcc-9, this created issues. Fixes
diff: #ifndef VERIBLE_VERILOG_ANALYSIS_VERILOG_LINTER_CONFIGURATION_H_
  #define VERIBLE_VERILOG_ANALYSIS_VERILOG_LINTER_CONFIGURATION_H_
  -#include <initializer_list>
  #include <iosfwd>
  #include <map>
  #include <memory>
  @@ -90,22 +89,22 @@ struct ProjectPolicy {
  // Raw string to check for being part of the path. Not a regex pattern.
  // Apply this exemption only if substring occurs in the file path.
  - std::initializer_list<const char*> path_substrings;
  + std::vector<const char*> path_substrings;
  // Raw string to check for being part of the path. Not a regex pattern.
  // Files that match the exclusion will not be analyzed.
  // This is suitable for paths that contain files that no human will ever
  // read.
  - std::initializer_list<const char*> path_exclusions;
  + std::vector<const char*> path_exclusions;
  // Reviewers to involve for policy changes. At least two.
  - std::initializer_list<const char*> owners;
  + std::vector<const char*> owners;
  // Names of lint rules to disable.
  - std::initializer_list<const char*> disabled_rules;
  + std::vector<const char*> disabled_rules;
  // Names of lint rules to enable (takes precedence over disabled_rules).
  - std::initializer_list<const char*> enabled_rules;
  + std::vector<const char*> enabled_rules;
  // Returns a path if filename matches any of path_substrings,
  // otherwise nullptr.
  