compilefix for media-video/vdr-2.4.1
Suggested-by: MatthiasK @ vdr-portal.de

Signed-off-by: Joerg Bornkessel <hd_brummy@gentoo.org> ( 27 Dec 2019 )
diff -Naur epgsync-1.0.1.orig/thread.c epgsync-1.0.1/thread.c
--- epgsync-1.0.1.orig/thread.c	2019-12-26 00:12:49.124492713 +0100
+++ epgsync-1.0.1/thread.c	2019-12-26 00:17:55.129492713 +0100
@@ -42,9 +42,10 @@
 	}
 }
 
-cChannel *GetChannelByName(const char* Name, const cChannel *IgnoreChannel = NULL, eChannelTypes Type = ctAll)
+const cChannel *GetChannelByName(const char* Name, const cChannel *IgnoreChannel = NULL, eChannelTypes Type = ctAll)
 {
-	for (cChannel *channel = Channels.First(); channel; channel = Channels.Next(channel)) {
+	LOCK_CHANNELS_READ;
+	for (const cChannel *channel = Channels->First(); channel; channel = Channels->Next(channel)) {
 		if (strcasecmp(Name, channel->Name()) == 0 || strcasecmp(Name, channel->ShortName()) == 0) {
 			if (IsType(channel, Type) && channel != IgnoreChannel)
 				return channel;
@@ -95,20 +96,17 @@
 		if (EpgSyncSetup.redirectChannels == rcmId) {
 			// Direct import, no mapping:
 			// loop through local channels, get channels by ID
-			cSchedulesLock *lock = NULL;
-			for (cChannel *channel = Channels.First(); channel && Running();
-					channel = Channels.Next(channel)) {
-				if (!lock)
-					lock = new cSchedulesLock();
-				if (cSchedules::Schedules(*lock)->GetSchedule(channel)) {
-					DELETENULL(lock);
+			LOCK_CHANNELS_READ;
+			for (const cChannel *channel = Channels->First(); channel && Running();
+					channel = Channels->Next(channel)) {
+			LOCK_SCHEDULES_READ;
+				if (Schedules->GetSchedule(channel)) {
 					if (CmdLSTE(f, *channel->GetChannelID().ToString())) {
 						AddSchedule(f);
 					}
 					cCondWait::SleepMs(EPGSYNC_SLEEPMS);
 				}
 			}
-			DELETENULL(lock);
 		}
 		else {
 			// Map channels by name:
@@ -182,7 +180,8 @@
 			targetChannel = NULL;
 
 			const char* p = skipspace(s + 1);
-			cChannel *c = Channels.GetByChannelID(tChannelID::FromString(p));
+			LOCK_CHANNELS_READ;
+			const cChannel *c = Channels->GetByChannelID(tChannelID::FromString(p));
 			bool cOk = IsType(c, (eChannelTypes) EpgSyncSetup.channelTypes);
 
 			if (cOk && EpgSyncSetup.redirectChannels != rcmNameId) {