Fix location of futex.h.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4653 c046a42c-6fe2-441c-8c8c-71466251a162

configure

@@ -648,7 +648,7 @@ EOF
 # Check host NPTL support
 cat > $TMPC <<EOF
 #include <sched.h>
-#include <sys/futex.h>
+#include <linux/futex.h>
 void foo()
 {
 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)

linux-user/syscall.c

@@ -52,9 +52,6 @@
 //#include <sys/user.h>
 #include <netinet/ip.h>
 #include <netinet/tcp.h>
-#if defined(USE_NPTL)
-#include <sys/futex.h>
-#endif
 
 #define termios host_termios
 #define winsize host_winsize
@@ -75,6 +72,10 @@
 
 #include "qemu.h"
 
+#if defined(USE_NPTL)
+#include <linux/futex.h>
+#endif
+
 //#define DEBUG
 
 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \