Change C include statements to use " instead of < (#16)

* start, use double quotes instead of angle brackets

* fmt, fix ubuntu-old, add some debug info for the current ubuntu

* try with newer version of ubuntu (and maybe clang?)

* remove ubuntu-old, use ubuntu-20.04 for build

Author: ParkMyCar

.github/workflows/main.yml

@@ -13,14 +13,10 @@ jobs:
       matrix:
         build:
         - ubuntu
-        - ubuntu-old
         - macos
         include:
           - build: ubuntu
-            os: ubuntu-latest
-            rust: stable
-          - build: ubuntu-old
-            os: ubuntu-18.04
+            os: ubuntu-20.04
             rust: stable
           - build: macos
             os: macos-latest

protobuf-native/src/compiler.h

@@ -15,8 +15,7 @@
 
 #pragma once
 
-#include <google/protobuf/compiler/importer.h>
-
+#include "google/protobuf/compiler/importer.h"
 #include "rust/cxx.h"
 
 namespace protobuf_native {

protobuf-native/src/internal.h

@@ -15,7 +15,7 @@
 
 #pragma once
 
-#include <absl/strings/string_view.h>
+#include "absl/strings/string_view.h"
 
 namespace protobuf_native {
 namespace internal {

protobuf-native/src/io.h

@@ -15,13 +15,12 @@
 
 #pragma once
 
-#include <google/protobuf/io/coded_stream.h>
-#include <google/protobuf/io/zero_copy_stream.h>
-#include <google/protobuf/io/zero_copy_stream_impl.h>
-#include <google/protobuf/io/zero_copy_stream_impl_lite.h>
-
 #include <memory>
 
+#include "google/protobuf/io/coded_stream.h"
+#include "google/protobuf/io/zero_copy_stream.h"
+#include "google/protobuf/io/zero_copy_stream_impl.h"
+#include "google/protobuf/io/zero_copy_stream_impl_lite.h"
 #include "rust/cxx.h"
 
 namespace protobuf_native {

protobuf-native/src/lib.h

@@ -15,11 +15,11 @@
 
 #pragma once
 
-#include <google/protobuf/descriptor.h>
-#include <google/protobuf/descriptor.pb.h>
-
 #include <memory>
 
+#include "google/protobuf/descriptor.h"
+#include "google/protobuf/descriptor.pb.h"
+
 using namespace google::protobuf;
 
 namespace protobuf_native {