fluent-reader: modify one test file to also test different line formats

IO/Geometry/Testing/Cxx/TestFLUENTReader.cxx

@@ -95,6 +95,8 @@ int TestFLUENTReader(int argc, char* argv[])
     return EXIT_FAILURE;
   }
 
+  // Note: fluent_quad.msh contains some variations in line formats so this is also a test
+  // about whether we can robustly read different formats
   if (!::TestFLUENTReaderMSHSurfaceAscii(GetFilePath(argc, argv, "Data/fluent_quad.msh")))
   {
     return EXIT_FAILURE;

Testing/Data/fluent_quad.msh.sha512

-90677a61b1af235996429181c2e0fdf2d0889111cdbf6807f1e887b571b2c48bf8cb8bdabf4eb1e611bd66e60d220786705fc2cd054c97b0d3531145ebec2de1
+0aabd150d7ecc9c51f2d598ab96d1c4a530c7748d67e665ec0e0b93919f68eb7ef95750090e3400a42facdd3ddccb68e13efb42bb11dd95df9eedeefe9b610cb