[bazel][libc] Fix BUILD after ff409d3.

Author: chsigg

utils/bazel/llvm-project-overlay/libc/BUILD.bazel

@@ -724,6 +724,7 @@ libc_support_library(
         ":__support_cpp_bit",
         ":__support_cpp_limits",
         ":__support_cpp_type_traits",
+        ":__support_fputil_dyadic_float",
         ":__support_fputil_fp_bits",
         ":__support_fputil_nearest_integer_operations",
         ":__support_fputil_normal_float",