Fixed malformed path in gitmodules

Fixed a bad relative URL in gitmodules. One .
was used instead of ..

Change-Id: Icb88e24d0c19313a20386caf1fb355c07a304ab0
Issue-Id: DOC-79
Signed-off-by: jsseidel <spence@research.att.com>
diff --git a/.gitmodules b/.gitmodules
index b644d26..761a85a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -45,6 +45,6 @@
         ignore = dirty
 [submodule "docs/submodules/aaf/authz.git"]
 	path = docs/submodules/aaf/authz.git
-	url = ./aaf/authz
+	url = ../aaf/authz
         branch = .
         ignore = dirty