Use correct trap for syscalls on Sparc32

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5726 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/bsd-user/main.c b/bsd-user/main.c
index d2129cc..49776b8 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -180,7 +180,11 @@
         trapnr = cpu_sparc_exec (env);
 
         switch (trapnr) {
+#ifndef TARGET_SPARC64
+        case 0x80:
+#else
         case 0x100:
+#endif
             syscall_nr = env->gregs[1];
 #if defined(TARGET_SPARC)
             syscall_nr &= ~(SYSCALL_G7RFLAG | SYSCALL_G2RFLAG);