MDEV-11554 innodb_gis.precise fails in buildbot on Power.

        Usual '8' turns into 7.9999999 on Power. Test case fixed.

mysql-test/suite/innodb_gis/t/precise.test

@@ -65,7 +65,7 @@ select ST_DISTANCE(ST_geomfromtext('linestring(0 0, 3 6, 6 3, 0 0)'), ST_geomfro
 
 
 # Operations tests
---replace_result 23.85542168674699 23.855421686746986
+--replace_result 23.85542168674699 23.855421686746986 7.999999999999999 8
 select ST_astext(ST_Intersection(ST_GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), ST_GeomFromText('POLYGON((50 5, 55 10, 0 45, 50 5))')));
 --replace_result 23.85542168674699 23.855421686746986
 select ST_astext(ST_Intersection(ST_GeomFromText('LINESTRING(0 0, 50 45, 40 50, 0 0)'), ST_GeomFromText('LINESTRING(50 5, 55 10, 0 45, 50 5)')));
@@ -73,11 +73,13 @@ select ST_astext(ST_Intersection(ST_GeomFromText('LINESTRING(0 0, 50 45, 40 50)'
 select ST_astext(ST_Intersection(ST_GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), ST_GeomFromText('POINT(20 20)')));
 select ST_astext(ST_Intersection(ST_GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), ST_GeomFromText('LINESTRING(-10 -10, 200 200)')));
 select ST_astext(ST_Intersection(ST_GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), ST_GeomFromText('LINESTRING(-10 -10, 200 200, 199 201, -11 -9)')));
+--replace_result 7.999999999999999 8
 select ST_astext(ST_UNION(ST_GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), ST_GeomFromText('LINESTRING(-10 -10, 200 200, 199 201, -11 -9)')));
 
 select ST_astext(ST_intersection(ST_geomfromtext('polygon((0 0, 1 0, 0 1, 0 0))'), ST_geomfromtext('polygon((0 0, 1 1, 0 2, 0 0))')));
 
 select ST_astext(ST_symdifference(ST_geomfromtext('polygon((0 0, 1 0, 0 1, 0 0))'), ST_geomfromtext('polygon((0 0, 1 1, 0 2, 0 0))')));
+--replace_result 7.999999999999999 8
 select ST_astext(ST_UNION(ST_GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), ST_GeomFromText('LINESTRING(-10 -10, 200 200, 199 201, -11 -9)')));
 
 # Buffer() tests