Removed because shadowing was caused by an automatically-generated file
(luc-handler-dbus.c), as generated with gdbus-codegen.
When using --enable-debug=yes in ./configure, compiling will fail on
warnings.
-Wno-unused-parameter -Wold-style-definition \
-Wdeclaration-after-statement \
-Wmissing-declarations \
- -Wmissing-noreturn -Wshadow -Wpointer-arith \
+ -Wmissing-noreturn -Wpointer-arith \
-Wcast-align -Wformat-security \
-Winit-self -Wmissing-include-dirs -Wundef \
-Wmissing-format-attribute -Wnested-externs \