[SPARC32]: Fix build.

Correct incorrect removal of asm-generic/fcntl.h from asm-sparc/fcntl.h by 
commit 6ba60d21.
Signed-off-by: NMark Fortescue <mark@mtfhpc.demon.co.uk>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/asm-sparc/fcntl.h

@@ -32,5 +32,6 @@
 #define __ARCH_FLOCK_PAD	short __unused;
 #define __ARCH_FLOCK64_PAD	short __unused;
 
+#include <asm-generic/fcntl.h>
 
 #endif