app-emacs/graphql: fix compilation without ghub

Don't install examples.el which depends on ghub, leading
to circular dependencies.

Fixes: https://bugs.gentoo.org/670779
Signed-off-by: Hans de Graaff <graaff@gentoo.org>
Package-Manager: Portage-2.3.51, Repoman-2.3.11

app-emacs/graphql/graphql-0.1.1.ebuild

@@ -20,3 +20,10 @@ DOCS="README.md"
 
 # Tries to download emake tool on the fly
 RESTRICT="test"
+
+src_prepare() {
+	# Avoid examples which would require circular dependencies
+	rm -f examples.el || die
+
+	default
+}