"Void function should not return a value" build failure(s) — clang 2.9

A void function should not have a returned value.
void foo() {
	return 1;
}
PackageVersionSupposed error messageFull log Bug report
deja-dup 18.1.1-2whacks.c:179:3: error: void function 'hacks_unity_entry_set_menu' should not return a value [-Wreturn-type] Log
hugin 2011.0.0+dfsg-2Guard.h:117:9: error: void function 'createScope' should not return a value [-Wreturn-type] Log
illuminator 0.11.0-8tsview-ng.c:955:5: error: void function 'on_path_filename_entry_activate' should not return a value [-Wreturn-type] Log
net-snmp 5.4.3~dfsg-2.3hardware/cpu/cpu_linux.c:223:13: error: void function '_cpu_load_swap_etc' should not return a value [-Wreturn-type] Log
unicon 3.0.4-13tab2dat.c:33:7: error: void function 'load_phr' should not return a value [-Wreturn-type] Log 739924

5 errors