Revert "fix warning: unused variable ‘i’"
Revert "fix warning: unused variable ‘i’"

This reverts commit 562ac207b5b6583a2981e1d165b40484230c8972.

xdenser/node-firebird-libfbclient,jacobalberty/node-firebird-libfbclient,jacobalberty/node-firebird-libfbclient,jacobalberty/node-firebird-libfbclient,xdenser/node-firebird-libfbclient,agebrock/node-firebird-libfbclient,jacobalberty/node-firebird-libfbclient,agebrock/node-firebird-libfbclient,xdenser/node-firebird-libfbclient,agebrock/node-firebird-libfbclient,xdenser/node-firebird-libfbclient,agebrock/node-firebird-libfbclient