Use inttypes.h, which exists on all of Linux, Solaris and Darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13461 91177308-0d34-0410-b5e6-96231b3b80d8

projects/Stacker/lib/runtime/stacker_rt.c

@@ -20,8 +20,7 @@
 #include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <stdint.h>
-#include <sys/types.h>
+#include <inttypes.h>
 
 extern int64_t _index_;
 extern int64_t _stack_[];