r9527: add function declarations for prepared statements
r9527: add function declarations for prepared statements

sshirokov/CLSQL,sshirokov/CLSQL,ryszard/clsql,ryszard/clsql,intronic/clsql,sshirokov/CLSQL,intronic/clsql,ryszard/clsql,ryszard/clsql,intronic/clsql,sshirokov/CLSQL,intronic/clsql