[shotwell] Fix upgrading from Shotwell 0.7.2

[Jens Georg <jensgeorg src gnome org>]

commit 7f932b0f40611cbc76b925751769e6432d396ec9
Author: Jens Georg <mail jensge org>
Date:   Tue Dec 12 20:33:31 2017 +0100

    Fix upgrading from Shotwell 0.7.2
    
    There was a check missing for the existence of VideoTable
    
    https://bugzilla.gnome.org/show_bug.cgi?id=790469

 src/db/Db.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/db/Db.vala b/src/db/Db.vala
index e4f83bf..872bf86 100644
--- a/src/db/Db.vala
+++ b/src/db/Db.vala
@@ -304,7 +304,7 @@ private VerifyResult upgrade_database(int input_version) {
         if (!DatabaseTable.add_column("PhotoTable", "comment", "TEXT"))
             return VerifyResult.UPGRADE_ERROR;
     }
-    if (!DatabaseTable.has_column("VideoTable", "comment")) {
+    if (DatabaseTable.has_table("VideoTable") & !DatabaseTable.has_column("VideoTable", "comment")) {
         message("upgrade_database: adding comment column to VideoTable");
         if (!DatabaseTable.add_column("VideoTable", "comment", "TEXT"))
             return VerifyResult.UPGRADE_ERROR;