Update omim.php

fixed download url typo

Author: micheldumontier

omim/omim.php

@@ -129,7 +129,7 @@ function Run()
 		$bVersion = parent::getParameterValue('bio2rdf_release');
 		$date = date ("Y-m-d\TG:i:s\Z");
 		$output_file = (new DataResource($this))
-			->setURI("http://download.bio2df.org/release/$bVersion/$prefix/$outfile")
+			->setURI("http://download.bio2rdf.org/release/$bVersion/$prefix/$outfile")
 			->setTitle("Bio2RDF v$bVersion RDF version of $prefix (generated at $date)")
 			->setSource($source_file->getURI())
 			->setCreator("https://github.com/bio2rdf/bio2rdf-scripts/blob/master/omim/omim.php")