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

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=d1ea8f4a467af21737f29b225b72549d1346a7e2

commit d1ea8f4a467af21737f29b225b72549d1346a7e2
Author: Ken Brown <kbr...@cornell.edu>
Date:   Sat Sep 16 22:04:14 2017 -0400

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

Diff:
---
 winsup/cygwin/pinfo.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/winsup/cygwin/pinfo.cc b/winsup/cygwin/pinfo.cc
index e792a0a..a068bcc 100644
--- a/winsup/cygwin/pinfo.cc
+++ b/winsup/cygwin/pinfo.cc
@@ -720,7 +720,7 @@ _pinfo::commune_request (__uint32_t code, ...)
   res.s = NULL;
   res.n = 0;
 
-  if (!this || !pid)
+  if (!pid)
     {
       set_errno (ESRCH);
       goto err;