dtinfo: Resolve coverity warnings related to uninitialised members of classes

cde/programs/dtinfo/dtinfogen/infolib/etc/BookTasks.C

@@ -89,12 +89,15 @@ BookCaseTask::BookCaseTask(const char *infolib)
   if ( !Dispatch::RunTocGenOnly() ) {
     style = new StyleTaskDB(this);
     addSubTask(style);
+  } else {
+    style = NULL;
   }
 
   book = new BookTask(this);
   addSubTask(book);
 
   f_style = NULL;
+  f_search_storage = NULL;
 }
 
 

cde/programs/dtinfo/dtinfogen/infolib/etc/DataRepository.h

@@ -46,6 +46,9 @@ public:
     if ( this != &t ) { 
       this->level = t.level;
       this->Buf = t.Buf;
+    } else {
+      this->level = -1;
+      this->Buf = NULL;
     }
   }
   Rec & operator=( Rec &t ) {

cde/programs/dtinfo/dtinfogen/infolib/etc/FirstOf.C

@@ -90,6 +90,8 @@ FirstOf::FirstOf( const Token &t,
    }
 
   }
+  
+  elist = NULL;
 }
 
 //--------------------------------------------------------------------------

cde/programs/dtinfo/dtinfogen/infolib/etc/NodeData.C

@@ -269,6 +269,8 @@ NodeData::NodeData( NodeTask *parent, const Token &t)
 #endif
 
   write_start_tag ( t, NodeBuffer );
+  
+  internal_buffer = NULL;
 }
 
 //---------------------------------------------------------------------

cde/programs/dtinfo/dtinfogen/infolib/etc/StyleTask.C

@@ -78,6 +78,7 @@ StyleTask::StyleTask()
    f_buffer = NULL;
    f_pathbuf = NULL;
    f_locator = NULL;
+   f_dataMode = inPath;
 
    feature_depth = new Stack<int>;
 

cde/programs/dtinfo/dtinfogen/infolib/etc/Token.C

@@ -56,6 +56,9 @@ Token::Token()
   entity_defn = NULL;
   tokType=TK_INVALID;
   f_olaf = -1;
+  f_level = 0;
+  f_file = NULL;
+  f_line = 0;
   
 #ifdef FISH_DEBUG
   DBUG_VOID_RETURN;