[epiphany] profile-migrator: Fix -d index to be 1-based

[Michael Catanzaro <mcatanzaro src gnome org>]

commit d3f0c4df956d1de1b8584d4dd556936e3f042e4e
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Wed Feb 1 12:18:18 2017 -0600

    profile-migrator: Fix -d index to be 1-based
    
    Otherwise you have to use e.g. -d 10 to get the 11th migrator....

 src/profile-migrator/ephy-profile-migrator.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/profile-migrator/ephy-profile-migrator.c b/src/profile-migrator/ephy-profile-migrator.c
index 29cf492..eea8768 100644
--- a/src/profile-migrator/ephy-profile-migrator.c
+++ b/src/profile-migrator/ephy-profile-migrator.c
@@ -854,7 +854,7 @@ ephy_migrator (void)
       return FALSE;
 
     LOG ("Running only migrator: %d", do_step_n);
-    m = migrators[do_step_n];
+    m = migrators[do_step_n + 1];
     m ();
 
     return TRUE;