message: update symbol requirements for CentOS 7 releases
diff: @@ -101,9 +101,9 @@ cmake -L \
  # create RPM files
  make -j `nproc` preinstall
  -check_symbols libospray.so GLIBC 2 4 0
  -check_symbols libospray.so GLIBCXX 3 4 11
  -check_symbols libospray.so CXXABI 1 3 0
  +check_symbols libospray.so GLIBC 2 14 0
  +check_symbols libospray.so GLIBCXX 3 4 14
  +check_symbols libospray.so CXXABI 1 3 5
  make -j `nproc` package || exit 2
  