Fix URI in the gemspec

Signed-off-by: João Victor Risso <jvtr12@inf.ufpr.br>

activerecord-monetdb-adapter.gemspec

-Gem::Specification.new do |s|
-   s.required_ruby_version = '>= 2.1.0'
-   s.name = %q{activerecord-monetdb-adapter}
-   s.version = "0.2"
-   s.date = %q{2016-05-24}
-   s.authors = ["G Modena", "J V Risso"]
-   s.email = [ "gm@cwi.nl", "jvtr12@c3sl.ufpr.br" ]
-   s.summary = %q{ActiveRecord Connector for MonetDB}
-   s.homepage = [ "http://monetdb.cwi.nl/", "https://gitlab.c3sl.ufpr.br/" ]
-   s.description = %q{ActiveRecord Connector for MonetDB built on top of the pure Ruby database driver}
-   s.files = [ "lib/active_record/connection_adapters/monetdb_adapter.rb" ]
-   s.has_rdoc = true
-   s.require_path = 'lib'
-   s.add_dependency(%q<activerecord>, [">= 2.3.2"])
-   s.add_dependency(%q<ruby-monetdb-sql>, [">= 0.1"])
+Gem::Specification.new do |spec|
+   spec.required_ruby_version = '>= 2.1.0'
+   spec.name = %q{activerecord-monetdb-adapter}
+   spec.version = "0.2"
+   spec.date = %q{2016-05-24}
+   spec.authors = [ 'G Modena', 'J V Risso' ]
+   spec.email = [ "gm@cwi.nl", "jvtr12@c3sl.ufpr.br" ]
+   spec.summary = %q{ActiveRecord Connector for MonetDB}
+   spec.homepage = 'http://monetdb.cwi.nl/'
+   spec.description = %q{ActiveRecord Connector for MonetDB built on top of the pure Ruby database driver}
+   spec.files = [ "lib/active_record/connection_adapters/monetdb_adapter.rb", "lib/active_record/connection_adapters/monetdb/*.rb" ]
+   spec.has_rdoc = true
+   spec.require_path = 'lib'
+   spec.add_dependency(%q<activerecord>, [">= 2.3.2"])
+   spec.add_dependency(%q<ruby-monetdb-sql>, [">= 0.1"])
    # placeholder project to avoid warning about not having a rubyforge_project
-   s.rubyforge_project = "nowarning"
+   spec.rubyforge_project = "nowarning"
 end