Fixed a compiler warning in ExchangeChars()

CONTRIBUTORS

@@ -3581,6 +3581,7 @@ Helmut Binder <cco@aon.at>
  over an SI::ExtensionDescriptor
  for fixing mapping SIDs in MTD
  for fixing updating the checksum in the CA table after mapping EMM PIDs for MTD
+ for fixing a compiler warning in ExchangeChars()
 
 Ulrich Eckhardt <uli@uli-eckhardt.de>
  for reporting a problem with shutdown after user inactivity in case a plugin is

HISTORY

@@ -9348,7 +9348,7 @@ Video Disk Recorder Revision History
   Senzel).
 - Official release.
 
-2019-05-05: Version 2.4.1
+2019-05-06: Version 2.4.1
 
 - Fixed handling the tfRecording flag in the SVDRP commands MODT and UPDT (reported
   by Johann Friedrichs).
@@ -9397,3 +9397,4 @@ Video Disk Recorder Revision History
 - Fixed mapping SIDs in MTD (thanks to Helmut Binder).
 - Fixed updating the checksum in the CA table after mapping EMM PIDs for MTD (thanks to
   Helmut Binder).
+- Fixed a compiler warning in ExchangeChars() (thanks to Helmut Binder).

recording.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recording.c 4.24 2019/03/19 15:56:58 kls Exp $
+ * $Id: recording.c 4.25 2019/05/06 11:26:06 kls Exp $
  */
 
 #include "recording.h"
@@ -610,7 +610,7 @@ char *ExchangeChars(char *s, bool ToFileSystem)
                              char buf[4];
                              sprintf(buf, "#%02X", (unsigned char)*p);
                              memmove(p + 2, p, strlen(p) + 1);
-                             strncpy(p, buf, 3);
+                             memcpy(p, buf, 3);
                              p += 2;
                              }
                           else