[PATCH][SPARC] Add missing include in test program gdb.arch/sparc-sysstep.c

[Jose E. Marchesi]

    > diff --git a/gdb/testsuite/gdb.arch/sparc-sysstep.c b/gdb/testsuite/gdb.arch/sparc-sysstep.c
    > index 79e344b..a29174f 100644
    > --- a/gdb/testsuite/gdb.arch/sparc-sysstep.c
    > +++ b/gdb/testsuite/gdb.arch/sparc-sysstep.c
    > @@ -1,3 +1,4 @@
    > +
    >  /* Test single-stepping system call instructions in sparc.
    
    Spurious change above?  Otherwise OK.
    
Pushed, modulus the chunk above.
Thanks.