use an explicit cast to int32_t for arguments to rand48

(avoids ambiguity for Metrowerks, which defines int32_t as long)


[SVN r7935]

libs/random

@@ -1 +1 @@
-Subproject commit becc54f7e9a03509971cb61abb800779647e619d
+Subproject commit 9bc317f9767741660b306555b302e5ceef6c7ecb