Simplified some string concatenation code to make it work with STLport. Patch by <dengxy@cse.buaa.edu.cn>.
Simplified some string concatenation code to make it work with STLport.
Patch by <dengxy@cse.buaa.edu.cn>.


git-svn-id: 1a57124bbb9aca193a920d0ffd753d488afb922b@1299 5946f024-35f4-0310-b1b3-9a3be3380cfb

veprbl/mysqlpp,veprbl/mysqlpp,veprbl/mysqlpp