Fixed a memory leak in cString::operator=()

CONTRIBUTORS

@@ -794,6 +794,7 @@ Sascha Volkenandt <sascha@akv-soft.de>
  for fixing a crash in cConfig::Load() when compiling on the PPC
  for reporting '\n' in an esyslog() call in osd.c
  for reporting missing '&' in the SetAreas() example in PLUGINS.html
+ for reporting a memory leak in cString::operator=()
 
 Malcolm Caldwell <malcolm.caldwell@ntu.edu.au>
  for modifying LOF handling to allow for C-band reception

HISTORY

@@ -3922,3 +3922,4 @@ Video Disk Recorder Revision History
 - Removed '\n' from several syslog() calls (reported by Sascha Volkenandt).
 - Fixed missing '&' in the SetAreas() example in PLUGINS.html (reported by
   Sascha Volkenandt).
+- Fixed a memory leak in cString::operator=() (reported by Sascha Volkenandt).

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 1.101 2005/11/04 14:20:04 kls Exp $
+ * $Id: tools.c 1.102 2005/11/04 14:26:39 kls Exp $
  */
 
 #include "tools.h"
@@ -534,6 +534,7 @@ cString::~cString()
 
 cString &cString::operator=(const cString &String)
 {
+  free(s);
   s = String.s ? strdup(String.s) : NULL;
   return *this;
 }