enhance 722f1060 with windows specific way

src/switch_core.c

@@ -733,12 +733,17 @@ SWITCH_DECLARE(int32_t) set_auto_priority(void)
 {
 #ifndef WIN32
 	runtime.cpu_count = sysconf (_SC_NPROCESSORS_ONLN);
+#else
+	SYSTEM_INFO sysinfo;
+	GetSystemInfo( &sysinfo );
+	runtime.cpu_count = sysinfo.dwNumberOfProcessors;
+#endif
 
 	/* If we have more than 1 cpu, we should use realtime priority so we can have priority threads */
 	if (runtime.cpu_count > 1) {
 		return set_realtime_priority();
 	}
-#endif
+
 	return 0;
 }
 
@@ -1403,6 +1408,12 @@ SWITCH_DECLARE(switch_status_t) switch_core_init(switch_core_flag_t flags, switc
 	runtime.dbname = NULL;
 #ifndef WIN32
 	runtime.cpu_count = sysconf (_SC_NPROCESSORS_ONLN);
+#else
+	{
+		SYSTEM_INFO sysinfo;
+		GetSystemInfo( &sysinfo );
+		runtime.cpu_count = sysinfo.dwNumberOfProcessors;
+	}
 #endif	
 
 	/* INIT APR and Create the pool context */