Fix reStructuredText syntax errors

wheel/setup.py.in

@@ -23,13 +23,13 @@ To install, simply run::
 Optional dependencies, which can be installed as ``pip install lalsuite[option]``:
 
 * ``lalinference`` (pulls in
-  `gwdatafind <https://pypi.org/project/gwdatafind/>`
-   and `gwpy <https://pypi.org/project/gwpy/>`)
+  `gwdatafind <https://pypi.org/project/gwdatafind/>`_
+   and `gwpy <https://pypi.org/project/gwpy/>`_)
 * ``lalpulsar`` (pulls in
-  `solar_system_ephemerides <https://pypi.org/project/solar-system-ephemerides/>`
-  to provide ephemeris files which, until LALSuite 7.15, were still included in the main package)
-* ``test`` (pulls in
-  `pytest <https://pypi.org/project/pytest/>`)
+  `solar_system_ephemerides <https://pypi.org/project/solar-system-ephemerides/>`_
+  to provide ephemeris files which, until LALSuite 7.15, were still included in
+  the main package)
+* ``test`` (pulls in `pytest <https://pypi.org/project/pytest/>`_)
 """
 
 import os