Update BUILD.bazel after #121482

Author: JoelWee

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

@@ -126,6 +126,7 @@ libc_test(
     libc_function_deps = ["//libc:qsort"],
     deps = [
         ":qsort_test_helper",
+        "//libc:qsort_util",
         "//libc:types_size_t",
     ],
 )
@@ -136,6 +137,7 @@ libc_test(
     libc_function_deps = ["//libc:qsort"],
     deps = [
         ":qsort_test_helper",
+        "//libc:qsort_util",
         "//libc:types_size_t",
     ],
 )