Trivial whitespace fix.

js/tests/ecma_3/RegExp/regress-98306.js

@@ -4,7 +4,7 @@
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/NPL/
 *
-* Software distributed under the License is distributed on an "AS  IS"
+* Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either expressed
 * or implied. See the License for the specific language governing
 * rights and limitations under the License.