clang-format: apply clang-12 changes

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I4791fb3841f95e6f115fb889b0aa18ab4af6a24f
diff --git a/gpio-util/gpio.hpp b/gpio-util/gpio.hpp
index d4ac47b..bcb036c 100644
--- a/gpio-util/gpio.hpp
+++ b/gpio-util/gpio.hpp
@@ -12,8 +12,8 @@
 namespace gpio
 {
 
-typedef std::remove_reference<decltype(
-    gpiohandle_request::lineoffsets[0])>::type gpioNum_t;
+typedef std::remove_reference<
+    decltype(gpiohandle_request::lineoffsets[0])>::type gpioNum_t;
 
 typedef std::remove_reference<decltype(gpiohandle_data::values[0])>::type
     gpioValue_t;