Backed out changeset 727ea6823984 (bug 931328) for Windows jit-test failures.

--HG--
rename : js/src/jit-test/tests/basic/hypot-approx.js => js/src/tests/ecma_6/Math/hypot-approx.js
rename : js/src/jit-test/tests/basic/hypot-exact.js => js/src/tests/ecma_6/Math/hypot-exact.js