astdb: Tweak some doxygen comments.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@403192 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/astdb.h

@@ -16,7 +16,8 @@
  * at the top of the source tree.
  */
 
-/*! \file
+/*!
+ * \file
  * \brief Persistant data storage (akin to *doze registry)
  */
 
@@ -34,10 +35,12 @@ struct ast_db_entry {
 };
 
 /*! \brief Get key value specified by family/key */
-int ast_db_get(const char *family, const char *key, char *out, int outlen);
+int ast_db_get(const char *family, const char *key, char *value, int valuelen);
 
-/*!\brief Get key value specified by family/key as a heap allocated string.
+/*!
+ * \brief Get key value specified by family/key as a heap allocated string.
  *
+ * \details
  * Given a \a family and \a key, sets \a out to a pointer to a heap
  * allocated string.  In the event of an error, \a out will be set to
  * NULL.  The string must be freed by calling ast_free().
@@ -53,7 +56,10 @@ int ast_db_put(const char *family, const char *key, const char *value);
 /*! \brief Delete entry in astdb */
 int ast_db_del(const char *family, const char *key);
 
-/*!\brief Delete one or more entries in astdb
+/*!
+ * \brief Delete one or more entries in astdb
+ *
+ * \details
  * If both parameters are NULL, the entire database will be purged.  If
  * only keytree is NULL, all entries within the family will be purged.
  * It is an error for keytree to have a value when family is NULL.
@@ -63,7 +69,10 @@ int ast_db_del(const char *family, const char *key);
  */
 int ast_db_deltree(const char *family, const char *keytree);
 
-/*!\brief Get a list of values within the astdb tree
+/*!
+ * \brief Get a list of values within the astdb tree
+ *
+ * \details
  * If family is specified, only those keys will be returned.  If keytree
  * is specified, subkeys are expected to exist (separated from the key with
  * a slash).  If subkeys do not exist and keytree is specified, the tree will