Adding D90update pbuilder hook

diff --git a/config.dot/pbuilder/hooks/D90update b/config.dot/pbuilder/hooks/D90update
new file mode 100755 (executable)
index 0000000..1f0a31d
--- /dev/null
+++ b/config.dot/pbuilder/hooks/D90update
@@ -0,0 +1,3 @@
+# See https://wiki.debian.org/BuildingFormalBackports
+#     https://wiki.debian.org/PbuilderTricks#How_to_include_local_packages_in_the_build
+/usr/bin/apt-get update