Fixed double free when closing SQLiteStmt
Fixed double free when closing SQLiteStmt

Rows should not close the statement because Stmt has its own close
function. This caused a double free error/crash on Fedora 16 x86_64.

JonathanLogan/go-sqlcipher,denji/go-sqlite3,jabgibson/go-sqlite3,mdevan/go-sqlite3,danderson/go-sqlite3,andviro/go-sqlite3,wuranbo/go-sqlite3,JonathanLogan/go-sqlcipher,denji/go-sqlite3,denji/go-sqlite3,Schumix/go-sqlite3,gmarik/go-sqlite3,helight/helight_code,accense/go-sqlite3,mattn/go-sqlite3,helight/helight_code,helight/helight_code,xeodou/go-sqlcipher,mdevan/go-sqlite3,marccampbell/go-sqlite3,marccampbell/go-sqlite3,shaxbee/go-sqlite3,xeodou/go-sqlcipher,jabgibson/go-sqlite3,henrylee2cn/go-sqlite3,helight/helight_code,accense/go-sqlite3,marccampbell/go-sqlite3,lyonel/go-sqlite3,ArtemTeleshev/go-sqlite3,shaxbee/go-sqlite3,jabgibson/go-sqlite3,henrylee2cn/go-sqlite3,lyonel/go-sqlite3,helight/helight_code,helight/helight_code,wuranbo/go-sqlite3,vonwenm/go-sqlite3,hujunlong/go-sqlite3,vonwenm/go-sqlite3,shaxbee/go-sqlite3,andviro/go-sqlite3,JonathanLogan/go-sqlcipher,Schumix/go-sqlite3,joewalnes/go-sqlite3,henrylee2cn/go-sqlite3,gmarik/go-sqlite3,gmarik/go-sqlite3,wuranbo/go-sqlite3,danderson/go-sqlite3,mattn/go-sqlite3,Schumix/go-sqlite3,kiwih/go-sqlite3,hujunlong/go-sqlite3,lyonel/go-sqlite3,ArtemTeleshev/go-sqlite3,joewalnes/go-sqlite3,accense/go-sqlite3,mattn/go-sqlite3,larsmans/go-sqlite3,ArtemTeleshev/go-sqlite3,kiwih/go-sqlite3,mdevan/go-sqlite3,helight/helight_code,danderson/go-sqlite3,vonwenm/go-sqlite3,kiwih/go-sqlite3,andviro/go-sqlite3,helight/helight_code,helight/helight_code,larsmans/go-sqlite3,larsmans/go-sqlite3,xeodou/go-sqlcipher,hujunlong/go-sqlite3,joewalnes/go-sqlite3