Fix the following Cocoa trivial warnings:
C compiler for the host machine: cc (clang 14.0.0 "Apple clang version 14.0.0
(clang-1400.0.29.202)")
Objective-C compiler for the host machine: clang (clang 14.0.0)
[100/334] Compiling Objective-C object libcommon.fa.p/net_vmnet-bridged.m.o
net/vmnet-bridged.m:40:31: warning: a function declaration without a
prototype is deprecated in all versions of C [-Wstrict-prototypes]
static char* get_valid_ifnames()
^
void
[742/1436] Compiling Objective-C object libcommon.fa.p/ui_cocoa.m.o
ui/cocoa.m:1937:22: warning: a function declaration without a prototype is
deprecated in all versions of C [-Wstrict-prototypes]
static int cocoa_main()
^
void >
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>