Fix syntax error;
Certain GCC versions do not accept empty clobber lists.
Patch by Andreas Arnez (arnez@linux.vnet.ibm.com). Part of 
fixing BZ #342841.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15409 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/none/tests/s390x/rounding-6.c b/none/tests/s390x/rounding-6.c
index ae0aa1b..e880876 100644
--- a/none/tests/s390x/rounding-6.c
+++ b/none/tests/s390x/rounding-6.c
@@ -51,8 +51,7 @@
                                                                 \
    __asm__ volatile (opcode " %[dst]," #round ",%[src]\n\t"     \
                      : [dst] "=f"(dst)                          \
-                     : [src] "f"(src)                           \
-                     : );                                       \
+                     : [src] "f"(src));                         \
                                                                 \
    printf("%s %.5f\t-> %g  %s\n",                               \
           opcode, src, dst, rtext(round));                      \