Tooltalk fixes for OpenBSD. This consists mainly of #ifdefs, casts and some small type nits.

cde/lib/tt/bin/ttdbserverd/db_server_functions.C

@@ -41,6 +41,7 @@
 #include <sys/stat.h>
 #include <sys/param.h>
 #include <errno.h>
+#include <stdint.h>
 #include <unistd.h>
 #include <nl_types.h>
 
@@ -2773,7 +2774,7 @@ _tt_run_garbage_collect(int in_parallel)
 	    }
 	} else {
 #endif /* OPT_AUTO_GARBAGE_COLLECT*/
-	    exit((int)_tt_garbage_collect(NULL));
+	    exit((intptr_t)_tt_garbage_collect(NULL));
 #if defined(OPT_AUTO_GARBAG_COLLECT)
 	}
 #endif /* OPT_AUTO_GARBAGE_COLLECT*/