Bug551 fixed, commodities and accounts now sort

Added two compare structs for std::map to use.  I tried to override
the < operator got a clean compile but map wasn't picking it up, I
couldn't figure out why so I took the less elegant route.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/account.h b/src/account.h
index a2fcb8de..3642ada0 100644
--- a/src/account.h
+++ b/src/account.h
@@ -308,6 +308,13 @@ std::ostream& operator<<(std::ostream& out, const account_t& account);
 void put_account(property_tree::ptree& pt, const account_t& acct,
                  function<bool(const account_t&)> pred);
 
+//simple struct added to allow std::map to compare accounts in the accounts report
+struct account_compare {
+  bool operator() (const account_t& lhs, const account_t& rhs){
+    return (lhs.fullname().compare(rhs.fullname()) < 0);
+  }
+};
+
 } // namespace ledger
 
 #endif // _ACCOUNT_H