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-rw-r--r--tests/intsizes/intsizes.proto2
1 files changed, 2 insertions, 0 deletions
diff --git a/tests/intsizes/intsizes.proto b/tests/intsizes/intsizes.proto
index 236bf183..91444d41 100644
--- a/tests/intsizes/intsizes.proto
+++ b/tests/intsizes/intsizes.proto
@@ -6,6 +6,8 @@
* otherwise. E.g. uint32 + IS_8 => uint8_t
*/
+syntax = "proto2";
+
import 'nanopb.proto';
message IntSizes {