Cygwin: minor cleanups

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

winsup/cygwin/fhandler.h

@@ -2610,14 +2610,13 @@ class fhandler_procnet: public fhandler_proc
   pid_t pid;
  public:
   fhandler_procnet ();
+  fhandler_procnet (void *) {}
   virtual_ftype_t exists();
   int __reg3 readdir (DIR *, dirent *);
   int open (int flags, mode_t mode = 0);
   int __reg2 fstat (struct stat *buf);
   bool fill_filebuf ();
 
-  fhandler_procnet (void *) {}
-
   void copyto (fhandler_base *x)
   {
     x->pc.free_strings ();

winsup/cygwin/net.cc

@@ -61,7 +61,7 @@ get (const int fd)
   cygheap_fdget cfd (fd);
 
   if (cfd < 0)
-    return 0;
+    return NULL;
 
   fhandler_socket *const fh = cfd->is_socket ();
 

winsup/cygwin/signal.cc

@@ -635,7 +635,8 @@ sigwait_common (const sigset_t *set, siginfo_t *info, PLARGE_INTEGER waittime)
 	  break;
 	}
     }
-  __except (EFAULT) {
+  __except (EFAULT)
+    {
       res = -1;
     }
   __endtry