win32/SDL build fixes


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1144 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/configure b/configure
index 9d45ab9..192cb56 100755
--- a/configure
+++ b/configure
@@ -172,6 +172,7 @@
     target_list="i386-softmmu ppc-softmmu sparc-softmmu"
     EXESUF=".exe"
     gdbstub="no"
+    oss="no"
 fi
 
 if test -z "$cross_prefix" ; then