[bazel][libc] Add missing fenv dep for aarch64

For 4956118.

Author: rupprecht

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

@@ -747,6 +747,7 @@ libc_support_library(
         ":__support_macros_properties_architectures",
         ":__support_macros_sanitizer",
         ":errno",
+        ":hdr_fenv_macros",
         ":hdr_math_macros",
     ],
 )
@@ -756,7 +757,7 @@ libc_support_library(
     hdrs = ["src/__support/FPUtil/rounding_mode.h"],
     deps = [
         ":__support_macros_attributes",
-	":hdr_fenv_macros",
+        ":hdr_fenv_macros",
     ],
 )