checkapk: remove temporary dir on SIGINT and exit

checkapk.in

@@ -47,6 +47,7 @@ fi
 
 startdir="$PWD"
 tmpdir=$(mktemp -d -t checkpkg-script.XXXXXX)
+trap "rm -rf '$tmpdir'" INT EXIT
 cd "$tmpdir" || die "failed to create temp dir"
 
 for i in $pkgname $subpackages; do
@@ -91,5 +92,3 @@ for i in $pkgname $subpackages; do
 		msg "No soname differences for $_pkgname."
 	fi
 done
-
-msg "Files saved to $tmpdir"