windows: Fix build after PR 12293 (#12296)

monitoring/journald/BUILD.bazel

@@ -5,18 +5,25 @@ go_library(
     srcs = [
         "journald.go",
         "journald_linux.go",
-        "journalhook.go",
+        "journalhook_linux.go",
     ],
     importpath = "github.com/prysmaticlabs/prysm/v4/monitoring/journald",
     visibility = ["//visibility:public"],
-    deps = [
-        "@com_github_coreos_go_systemd//journal:go_default_library",
-        "@com_github_sirupsen_logrus//:go_default_library",
-    ],
+    deps = select({
+        "@io_bazel_rules_go//go/platform:android": [
+            "@com_github_coreos_go_systemd//journal:go_default_library",
+            "@com_github_sirupsen_logrus//:go_default_library",
+        ],
+        "@io_bazel_rules_go//go/platform:linux": [
+            "@com_github_coreos_go_systemd//journal:go_default_library",
+            "@com_github_sirupsen_logrus//:go_default_library",
+        ],
+        "//conditions:default": [],
+    }),
 )
 
 go_test(
     name = "go_default_test",
-    srcs = ["journalhook_test.go"],
+    srcs = ["journalhook_linux_test.go"],
     embed = [":go_default_library"],
 )

monitoring/journald/journalhook_linux.go

@@ -1,3 +1,5 @@
+//go:build linux
+
 // Package journald was copied directly from https://github.com/wercker/journalhook,
 // where this library was previously hosted.
 package journald