Remove extra white-space.

Fixes #27

Signed-off-by: Pedro Algarvio <[email protected]>

LICENSE

@@ -74,7 +74,7 @@ distribute the Work and such Derivative Works in Source or Object form.
 3. Grant of Patent License.
 Subject to the terms and conditions of this License, each Contributor
 hereby grants to You a perpetual, worldwide, non-exclusive, no-charge,
-royalty- free, irrevocable (except as stated in this section) patent
+royalty-free, irrevocable (except as stated in this section) patent
 license to make, have made, use, offer to sell, sell, import, and
 otherwise transfer the Work, where such license applies only to those
 patent claims licensable by such Contributor that are necessarily