Preliminary AIX support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5732 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/fpu/softfloat.h b/fpu/softfloat.h
index 5f95d06..8b28c17 100644
--- a/fpu/softfloat.h
+++ b/fpu/softfloat.h
@@ -50,8 +50,10 @@
 typedef uint8_t flag;
 typedef uint8_t uint8;
 typedef int8_t int8;
+#ifndef _AIX
 typedef int uint16;
 typedef int int16;
+#endif
 typedef unsigned int uint32;
 typedef signed int int32;
 typedef uint64_t uint64;