When building with clang, multiple noreturn issues arise,
for instance:
selabel_partial_match.c:11:1: error: function 'usage' could be declared with attribute 'noreturn' [-Werror,-Wmissing-noreturn]
Fix these.
Signed-off-by: William Roberts <william.c.roberts@intel.com>
Annotating the die method as taking printf format exposes
a bug in error reporting
Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Dan Walsh <dwalsh@redhat.com>