[help_text] fix static init issue

src/help_text.cc

@@ -104,10 +104,18 @@ help_text::with_prql_path(
     return *this;
 }
 
+std::multimap<std::string, help_text*>&
+help_text::tag_map()
+{
+    static std::multimap<std::string, help_text*> retval;
+
+    return retval;
+}
+
 void
 help_text::index_tags()
 {
     for (const auto& tag : this->ht_tags) {
-        TAGGED.insert(std::make_pair(tag, this));
+        tag_map().insert(std::make_pair(tag, this));
     }
 }

src/help_text.hh

@@ -250,7 +250,7 @@ struct help_text {
 
     void index_tags();
 
-    static std::multimap<std::string, help_text*> TAGGED;
+    static std::multimap<std::string, help_text*>& tag_map();
 };
 
 #endif

src/help_text_formatter.cc

@@ -42,15 +42,13 @@
 
 using namespace lnav::roles::literals;
 
-std::multimap<std::string, help_text*> help_text::TAGGED;
-
 static std::vector<help_text*>
 get_related(const help_text& ht)
 {
     std::vector<help_text*> retval;
 
     for (const auto& tag : ht.ht_tags) {
-        auto tagged = help_text::TAGGED.equal_range(tag);
+        auto tagged = help_text::tag_map().equal_range(tag);
 
         for (auto tag_iter = tagged.first; tag_iter != tagged.second;
              ++tag_iter)