lalsimulation: update packaging for 1.7.3

lalsimulation/debian/changelog

+lalsimulation (1.7.3-1) unstable; urgency=low
+
+  * fix Ldot equation in SpinTaylor
+
+ -- Adam Mercer <adam.mercer@ligo.org>  Thu, 16 Mar 2017 08:48:11 -0500
+
 lalsimulation (1.7.2-1) unstable; urgency=low
 
   * fix bug in SpinTaylor, spin precession vector had incorrect sign

lalsimulation/lalsimulation.spec.in

@@ -110,6 +110,9 @@ rm -Rf ${RPM_BUILD_DIR}/%{name}-%{version}
 
 # dates should be formatted using: 'date +"%a %b %d %Y"'
 %changelog
+* Thu Mar 16 2017 Adam Mercer <adam.mercer@ligo.org> 1.7.3-1
+- fix Ldot equation in SpinTaylor
+
 * Wed Mar 01 2017 Adam Mercer <adam.mercer@ligo.org> 1.7.2-1
 - fix bug in SpinTaylor, spin precession vector had incorrect sign