Remove unneeded variable.


git-svn-id: svn://svn.valgrind.org/vex/trunk@2961 8f6e269a-dfd6-0310-a8e1-e2731360e62c
diff --git a/priv/host_s390_defs.c b/priv/host_s390_defs.c
index 9b18f46..dce27f9 100644
--- a/priv/host_s390_defs.c
+++ b/priv/host_s390_defs.c
@@ -8727,7 +8727,6 @@
    s390_cc_t cond;
    ULong target;
    UChar *ptmp = buf;
-   UChar *bufIN = buf;
    s390_helper_call *helper_call = insn->variant.helper_call.details;
 
    cond = helper_call->cond;
@@ -8741,7 +8740,7 @@
          register(s) in the case where the call doesn't happen.  If
          this ever becomes necessary, maybe copy code from the ARM
          equivalent.  Until that day, just give up. */
-      return bufIN; /* To denote failure. */
+      return buf; /* To denote failure. */
    }
 
    if (cond != S390_CC_ALWAYS) {