Make a NaClDesc ctor for creating descs from NaClFileInfo.

src/trusted/reverse_service/reverse_service_c.c

Index: src/trusted/reverse_service/reverse_service_c.c
diff --git a/src/trusted/reverse_service/reverse_service_c.c b/src/trusted/reverse_service/reverse_service_c.c
index 8e040cf1045bb58805d11bd8609f636c65ae80c2..6deda22f38e98b829547ba8d74408940838edce9 100644
--- a/src/trusted/reverse_service/reverse_service_c.c
+++ b/src/trusted/reverse_service/reverse_service_c.c
@@ -13,6 +13,8 @@
 #include "native_client/src/include/nacl_compiler_annotations.h"
 #include "native_client/src/include/portability_io.h"
 
+#include "native_client/src/public/nacl_file_info.h"
+
 #include "native_client/src/shared/platform/nacl_check.h"
 #include "native_client/src/shared/platform/nacl_host_desc.h"
 #include "native_client/src/shared/platform/nacl_log.h"
@@ -30,7 +32,6 @@
 
 #include "native_client/src/trusted/service_runtime/include/sys/errno.h"
 #include "native_client/src/trusted/service_runtime/include/sys/fcntl.h"
-#include "native_client/src/trusted/validator/nacl_file_info.h"
 
 struct NaClSrpcHandlerDesc const kNaClReverseServiceHandlers[]; /* fwd */