Fix typo

Just a small typo I noticed when I happened to require 'ruby-oci8' instead of 'oci8'.

Fix typo
Just a small typo I noticed when I happened to require 'ruby-oci8' instead of 'oci8'.
e619620f · Sean Hussey · 6dd94cce · e619620f
Commit e619620f authored May 18, 2016 by Sean Hussey
--- a/lib/ruby-oci8.rb
+++ b/lib/ruby-oci8.rb
 if caller[0] !~ /\/bundler\/runtime\.rb:\d+:in `require'/
-  warn "Don't requie 'ruby-oci8'. Use \"require 'oci8'\" instead. 'ruby-oci8.rb' was added only for 'Bundler.require'."
+  warn "Don't require 'ruby-oci8'. Use \"require 'oci8'\" instead. 'ruby-oci8.rb' was added only for 'Bundler.require'."
 end
 require 'oci8'