Update libcxx_shared_headers in Bazel build.

Author: lntue

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

@@ -1601,6 +1601,7 @@ libc_support_library(
 libc_header_library(
     name = "libcxx_shared_headers",
     hdrs = [
+        "shared/libc_common.h",
         "shared/fp_bits.h",
         "shared/str_to_float.h",
         "shared/str_to_integer.h",