Add missing 'module' annotation

src/ol/reproj/common.js

@@ -1,3 +1,7 @@
+/**
+ * @module ol/reproj/common
+ */
+
 /**
  * Default maximum allowed threshold  (in pixels) for reprojection
  * triangulation.

src/ol/source/common.js

@@ -1,3 +1,7 @@
+/**
+ * @module ol/source/common
+ */
+
 /**
  * Default WMS version.
  * @type {string}