[gnome-online-miners/gnome-3-14] gdata: Explain the need for adding our own prefix to the IDs

[Debarshi Ray <debarshir src gnome org>]

commit 24cc517c20a7808e4c3bea61c3b8a83b56785cac
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Apr 22 18:49:49 2015 +0200

    gdata: Explain the need for adding our own prefix to the IDs
    
    https://bugzilla.gnome.org/show_bug.cgi?id=748253

 src/gom-gdata-miner.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/gom-gdata-miner.c b/src/gom-gdata-miner.c
index d6084d2..5e4dd5d 100644
--- a/src/gom-gdata-miner.c
+++ b/src/gom-gdata-miner.c
@@ -30,6 +30,8 @@
 
 #define MINER_IDENTIFIER "gd:gdata:miner:86ec9bc9-c242-427f-aa19-77b5a2c9b6f0"
 #define PARENT_LINK_REL "http://schemas.google.com/docs/2007#parent";
+
+/* used by applications to identify the source of an entry */
 #define PREFIX_DRIVE "google:drive:"
 #define PREFIX_PICASAWEB "google:picasaweb:"