Fix warning in mysql2 adapter if used with mysql2 prerelease gem (Fixes #610)
Fix warning in mysql2 adapter if used with mysql2 prerelease gem (Fixes #610)

pfarrell/sequel,offshore-safety/sequel,davidbegin/sequel,pfarrell/sequel,uhoh-itsmaciek/sequel,nju520/sequel,reubano/sequel,chef/sequel,offshore-safety/sequel,nju520/sequel,reubano/sequel,nicohvi/sequel,Marketcircle/sequel,gferguson-gd/sequel,nicohvi/sequel,knut2/sequel,freshpay/sequel,davidbegin/sequel,knut2/sequel,seeARMS/sequel,yazshel/sequel,beni55/sequel,mpalmer/sequel,beni55/sequel,offshore-safety/sequel,t-morgan/sequel,freshpay/sequel,bigfix/sequel,gferguson-gd/sequel,mpalmer/sequel,seeARMS/sequel,dennis-d/custom_sequel,uhoh-itsmaciek/sequel,yazshel/sequel,dennis-d/custom_sequel,t-morgan/sequel