[bazel] Fix smoke/BUILD.bazel layering in nextafter_test_template (#94641)

After 63cda2d.

See also a97871e.

Author: rupprecht

utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel

@@ -136,7 +136,9 @@ libc_support_library(
         "//libc:__support_cpp_bit",
         "//libc:__support_cpp_type_traits",
         "//libc:__support_fputil_basic_operations",
+        "//libc:__support_fputil_fenv_impl",
         "//libc:__support_fputil_fp_bits",
+        "//libc:hdr_fenv_macros",
         "//libc:hdr_math_macros",
         "//libc/test/UnitTest:LibcUnitTest",
         "//libc/test/UnitTest:fp_test_helpers",