Make corrupt-repo-ref.js executable

Debian's Lintian packaging consistency check complains that it isn't
executable but has a #! line. In fact it's reasonable to run this
script directly, so make it executable, and put it in a _scripts
variable so it will be installed executable.

Closes: #652
Approved by: cgwalters

Makefile-tests.am

@@ -120,15 +120,17 @@ dist_installed_test_data = tests/archive-test.sh \
 	tests/pull-test.sh \
 	tests/admin-test.sh \
 	tests/basic-test.sh \
-	tests/corrupt-repo-ref.js \
 	tests/pre-endian-deltas-repo-big.tar.xz \
 	tests/pre-endian-deltas-repo-little.tar.xz \
 	$(NULL)
 
 EXTRA_DIST += tests/libtest.sh 
 
-dist_test_extra_scripts = tests/bootloader-entries-crosscheck.py \
-     tests/ostree-grub-generator
+dist_test_extra_scripts = \
+	tests/bootloader-entries-crosscheck.py \
+	tests/corrupt-repo-ref.js \
+	tests/ostree-grub-generator \
+	$(NULL)
 
 # We can't use nobase_ as we need to strip off the tests/, can't
 # use plain installed_ as we do need the gpghome/ prefix.