[PATCH] Fix warn_unused_result when compiling with latest glibc

["Richard W.M. Jones" <rjones@xxxxxxxxxx>]

I'm not sure if this is the right way to solve this, but it is a way.

Rich.

Index: qemud/qemud.c
===================================================================
RCS file: /data/cvs/libvirt/qemud/qemud.c,v
retrieving revision 1.34
diff -u -r1.34 qemud.c
--- qemud/qemud.c	22 Mar 2007 18:30:57 -0000	1.34
+++ qemud/qemud.c	26 Mar 2007 14:38:33 -0000
@@ -60,12 +60,15 @@
 static void sig_handler(int sig) {
     unsigned char sigc = sig;
     int origerrno;
+    int dummy;
 
     if (sig == SIGCHLD) /* We explicitly waitpid the child later */
         return;
 
     origerrno = errno;
-    write(sigwrite, &sigc, 1);
+    dummy = write(sigwrite, &sigc, 1);
+    /* http://www.redhat.com/archives/fedora-devel-list/2007-March/msg00692.html */
+    (void) dummy;
     errno = origerrno;
 }