Stats: initialize start_time automatically

src/Main.cxx

@@ -56,7 +56,6 @@
 #include "config/ConfigDefaults.hxx"
 #include "config/ConfigOption.hxx"
 #include "config/ConfigError.hxx"
-#include "Stats.hxx"
 #include "util/RuntimeError.hxx"
 
 #ifdef ENABLE_DAEMON
@@ -442,7 +441,6 @@ try {
 	glue_daemonize_init(&options);
 #endif
 
-	stats_global_init();
 	TagLoadConfig();
 
 	log_init(options.verbose, options.log_stderr);

src/Stats.cxx

@@ -34,7 +34,7 @@
  * The monotonic time stamp when MPD was started.  It is used to
  * calculate the uptime.
  */
-static unsigned start_time;
+static const unsigned start_time = MonotonicClockS();
 #endif
 
 #ifdef ENABLE_DATABASE
@@ -47,17 +47,6 @@ enum class StatsValidity : uint8_t {
 
 static StatsValidity stats_validity = StatsValidity::INVALID;
 
-#endif
-
-void stats_global_init(void)
-{
-#ifndef WIN32
-	start_time = MonotonicClockS();
-#endif
-}
-
-#ifdef ENABLE_DATABASE
-
 void
 stats_invalidate()
 {

src/Stats.hxx

@@ -24,9 +24,6 @@ class Response;
 struct Partition;
 
 void
-stats_global_init();
-
-void
 stats_invalidate();
 
 void