fix: add missing cstdint header

FredeHoey · martinetd · commit 8806b3cbce5b · 2026-01-29T12:09:08.000+09:00
Build broke with gcc-15 due to `error: unknown type name 'uint8_t'`

Adding cstdint fixes that.
diff --git a/src/flutter/shell/platform/common/client_wrapper/include/flutter/binary_messenger.h b/src/flutter/shell/platform/common/client_wrapper/include/flutter/binary_messenger.h
@@ -5,6 +5,7 @@
 #ifndef FLUTTER_SHELL_PLATFORM_COMMON_CLIENT_WRAPPER_INCLUDE_FLUTTER_BINARY_MESSENGER_H_
 #define FLUTTER_SHELL_PLATFORM_COMMON_CLIENT_WRAPPER_INCLUDE_FLUTTER_BINARY_MESSENGER_H_
 
+#include <cstdint>
 #include <functional>
 #include <string>
 
diff --git a/src/flutter/shell/platform/common/client_wrapper/include/flutter/message_codec.h b/src/flutter/shell/platform/common/client_wrapper/include/flutter/message_codec.h
@@ -5,6 +5,7 @@
 #ifndef FLUTTER_SHELL_PLATFORM_COMMON_CLIENT_WRAPPER_INCLUDE_FLUTTER_MESSAGE_CODEC_H_
 #define FLUTTER_SHELL_PLATFORM_COMMON_CLIENT_WRAPPER_INCLUDE_FLUTTER_MESSAGE_CODEC_H_
 
+#include <cstdint>
 #include <memory>
 #include <string>
 #include <vector>
