Fix P51 logd-rotation patch line numbers

The service_logs declaration hunk was targeting line 48 instead of 49,
causing patch to insert it inside the let persistent_log chain instead
of inside the thread spawn closure.

local/patches/base/P51-logd-rotation.patch

@@ -71,12 +71,12 @@ index 070de3d6..4ea5365d 100644
 +    }
 +}
 +
-@@ -48,0 +107,4 @@ impl<'sock> LogScheme<'sock> {
+@@ -49,0 +109,4 @@ impl<'sock> LogScheme<'sock> {
 +            let mut service_logs: HashMap<String, LogFile> = HashMap::new();
 +
 +            let _ = std::fs::create_dir_all(LOG_DIR);
 +
-@@ -51 +113 @@ impl<'sock> LogScheme<'sock> {
+@@ -52 +114 @@ impl<'sock> LogScheme<'sock> {
 -                    OutputCmd::Log(line) => {
 +                    OutputCmd::Log { context, line } => {
 @@ -55,0 +118,22 @@ impl<'sock> LogScheme<'sock> {