last bugfix did forget use tchar * 512 in malloc I did only use 512 in malloc

svn path=/trunk/; revision=16587

reactos/subsys/system/cmd/copy.c

@@ -274,7 +274,7 @@ INT cmd_copy (LPTSTR cmd, LPTSTR param)
   nErrorLevel = 0;
 
   /* Get the envor value if it exists */
-  evar = malloc(512);
+  evar = malloc(512 * sizeof(TCHAR));
   if (evar==NULL) size = 0;
 
   size = GetEnvironmentVariable (_T("COPYCMD"), evar, 512);