[newlib-cygwin] cygwin: Remove comparison of 'this' to 'NULL' in _pinfo::root

[Corinna Vinschen <corinna at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=be436ad2a31ac3b00dabc0d39119e5fa130a2dd6

commit be436ad2a31ac3b00dabc0d39119e5fa130a2dd6
Author: Ken Brown <kbrown@cornell.edu>
Date:   Sat Sep 16 22:04:11 2017 -0400

    cygwin: Remove comparison of 'this' to 'NULL' in _pinfo::root
    
    Fix all callers.

Diff:
---
 winsup/cygwin/fhandler_process.cc | 2 +-
 winsup/cygwin/pinfo.cc            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/winsup/cygwin/fhandler_process.cc b/winsup/cygwin/fhandler_process.cc
index 97436dd..08cc7ea 100644
--- a/winsup/cygwin/fhandler_process.cc
+++ b/winsup/cygwin/fhandler_process.cc
@@ -478,7 +478,7 @@ format_process_root (void *data, char *&destbuf)
       cfree (destbuf);
       destbuf = NULL;
     }
-  destbuf = p->root (fs);
+  destbuf = p ? p->root (fs) : NULL;
   if (!destbuf || !*destbuf)
     {
       destbuf = cstrdup ("<defunct>");
diff --git a/winsup/cygwin/pinfo.cc b/winsup/cygwin/pinfo.cc
index bba9ee4..9fe1b3a 100644
--- a/winsup/cygwin/pinfo.cc
+++ b/winsup/cygwin/pinfo.cc
@@ -884,7 +884,7 @@ char *
 _pinfo::root (size_t& n)
 {
   char *s;
-  if (!this || !pid)
+  if (!pid)
     return NULL;
   if (pid != myself->pid && !ISSTATE (this, PID_NOTCYGWIN))
     {