Replaced strncpy() with memcpy() in strreplace() to avoid a compiler warning

CONTRIBUTORS

@@ -2200,6 +2200,7 @@ Marko M
  for suggesting to simplify some conditional expressions in skinlcars.c and skinsttng.c
  for reporting some uninitialized item area coordinates in cSkinLCARSDisplayMenu
  for reporting a problem with the video directory not being set correctly with --edit
+ for reporting a compiler warning about the use of strncpy() in strreplace()
 
 Patrick Rother <krd-vdr@gulu.net>
  for reporting a bug in defining timers that only differ in the day of week

HISTORY

@@ -9765,3 +9765,8 @@ Video Disk Recorder Revision History
 - Fixed calculating the disk use percentage if there's more than 20TB of recordings
   (reported by Timo Weingärtner).
 - Official release.
+
+2021-12-30:
+
+- Replaced strncpy() with memcpy() in strreplace() to avoid a compiler warning
+  (reported by Marco Mäkelä).

tools.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: tools.c 5.4 2021/05/20 10:13:43 kls Exp $
+ * $Id: tools.c 5.5 2021/12/30 14:35:40 kls Exp $
  */
 
 #include "tools.h"
@@ -170,7 +170,7 @@ char *strreplace(char *s, const char *s1, const char *s2)
      char *sof = s + of;
      if (l2 != l1)
         memmove(sof + l2, sof + l1, l - of - l1 + 1);
-     strncpy(sof, s2, l2);
+     memcpy(sof, s2, l2);
      }
   return s;
 }