Clarified handling of file descriptor. Coverity CID 28753.

xorriso/read_run.c

@@ -2,7 +2,7 @@
 
 /* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
 
-   Copyright 2007-2014 Thomas Schmitt, <scdbackup@gmx.net>
+   Copyright 2007-2015 Thomas Schmitt, <scdbackup@gmx.net>
 
    Provided under GPL version 2 or later.
 
@@ -668,7 +668,7 @@ int Xorriso_tree_restore_node(struct XorrisO *xorriso, IsoNode *node,
    break;
      }
    }  
-   if(write_fd > 0)
+   if(write_fd != -1)
      close(write_fd);
    write_fd= -1;
    if(todo > 0 && xorriso->extract_error_mode == 2 && open_path_pt != NULL) {
@@ -779,7 +779,7 @@ restore_properties:;
  if(todo < 0)
    ret= 0;
 ex:;
- if(write_fd >= 0) {
+ if(write_fd != -1) {
    close(write_fd);
    if(ret <= 0 && xorriso->extract_error_mode == 2 && open_path_pt != NULL)
      unlink(open_path_pt);

xorriso/xorriso_timestamp.h

@@ -1 +1 @@
-#define Xorriso_timestamP "2015.11.03.145920"
+#define Xorriso_timestamP "2015.11.03.150839"