COMP: Fix CMake dashboard warnings related to previous revisions.

Utilities/cmtar/extract.c

@@ -149,7 +149,7 @@ tar_extract_file(TAR *t, char *realname)
 {
   int i;
   linkname_t *lnp;
-  char *pathname = 0;
+  char *pathname;
 
   if (t->options & TAR_NOOVERWRITE)
   {

Utilities/cmtar/output.c

@@ -13,6 +13,7 @@
 #include <libtarint/internal.h>
 
 #include <stdio.h>
+#include <stdlib.h>
 
 #if !defined(_WIN32) || defined(__CYGWIN__)
 # include <pwd.h>
@@ -76,7 +77,7 @@ th_print_long_ls(TAR *t)
   char groupname[_POSIX_LOGIN_NAME_MAX];
   time_t mtime;
   struct tm *mtm;
-  char *pathname = 0;
+  char *pathname;
 
 #ifdef HAVE_STRFTIME
   char timebuf[18];

Utilities/cmtar/wrapper.c

@@ -13,6 +13,8 @@
 #include <libtarint/internal.h>
 
 #include <stdio.h>
+#include <stdlib.h>
+
 #include <libtar/compat.h>
 #if defined(HAVE_SYS_PARAM_H)
 #include <sys/param.h>
@@ -39,7 +41,7 @@ tar_extract_glob(TAR *t, char *globname, char *prefix)
   char *filename;
   char buf[TAR_MAXPATHLEN];
   int i;
-  char *pathname = 0;
+  char *pathname;
 
   while ((i = th_read(t)) == 0)
   {
@@ -94,7 +96,7 @@ tar_extract_all(TAR *t, char *prefix)
   char *filename;
   char buf[TAR_MAXPATHLEN];
   int i;
-  char *pathname = 0;
+  char *pathname;
 
 #ifdef DEBUG
   printf("==> tar_extract_all(TAR *t, \"%s\")\n",