Fix file version (#731)

This avoid an #include issue with newer C++ compilers.

Co-authored-by: Paul T. Bauman <ptbauman@gmail.com>
Co-authored-by: Rob Falgout <rfalgout@llnl.gov>

src/docs/update-release.sh

@@ -8,8 +8,8 @@
 usrconf="usr-manual/conf.py"
 refconf="ref-manual/conf.doxygen"
 
-version=`../utilities/version -version`
-reldate=`../utilities/version -date`
+version=`../utilities/version.sh -version`
+reldate=`../utilities/version.sh -date`
 if type -p gdate > /dev/null; then
     usrdate=`gdate --date=$reldate +'%B %d, %Y'`;
 else