Doxygenize comments.

sql/tztime.h

@@ -20,7 +20,7 @@
 
 #if !defined(TESTTIME) && !defined(TZINFO2SQL)
 
-/*
+/**
   This class represents abstract time zone and provides 
   basic interface for MYSQL_TIME <-> my_time_t conversion.
   Actual time zones which are specified by DB, or via offset 
@@ -30,7 +30,7 @@ class Time_zone: public Sql_alloc
 {
 public:
   Time_zone() {}                              /* Remove gcc warning */
-  /*
+  /**
     Converts local time in broken down MYSQL_TIME representation to 
     my_time_t (UTC seconds since Epoch) represenation.
     Returns 0 in case of error. Sets in_dst_time_gap to true if date provided
@@ -38,19 +38,19 @@ public:
   */
   virtual my_time_t TIME_to_gmt_sec(const MYSQL_TIME *t, 
                                     my_bool *in_dst_time_gap) const = 0;
-  /*
+  /**
     Converts time in my_time_t representation to local time in
     broken down MYSQL_TIME representation.
   */
   virtual void   gmt_sec_to_TIME(MYSQL_TIME *tmp, my_time_t t) const = 0;
-  /*
+  /**
     Because of constness of String returned by get_name() time zone name 
     have to be already zeroended to be able to use String::ptr() instead
     of c_ptr().
   */
   virtual const String * get_name() const = 0;
 
-  /* 
+  /** 
     We need this only for surpressing warnings, objects of this type are
     allocated on MEM_ROOT and should not require destruction.
   */
@@ -65,7 +65,7 @@ extern my_bool     my_tz_init(THD *org_thd, const char *default_tzname, my_bool
 extern void        my_tz_free();
 extern my_time_t   sec_since_epoch_TIME(MYSQL_TIME *t);
 
-/*
+/**
   Number of elements in table list produced by my_tz_get_table_list()
   (this table list contains tables which are needed for dynamical loading
   of time zone descriptions). Actually it is imlementation detail that