[gjs] Created tag 1.48.7

[Philip Chimento <pchimento src gnome org>]

The unsigned tag '1.48.7' was created.

Tagger: Philip Chimento <philip chimento gmail com>
Date: Thu Sep 7 20:42:30 2017 -0700

    Version 1.48.7
    
    - Backported some memory leak fixes from 1.49.92
    - Backported refactor of closure invalidation code from 1.49.92

Changes since the last tag '1.48.6':

Philip Chimento (11):
      closure: Remove pointer to runtime
      Revert freeing closures in idle handler
      closure: Prevent collection of invalidated closure
      arg: Fix memory leaks
      arg: Avoid assigning out-of-range values
      arg: Avoid taking abs() of -2^63
      main: Use g_option_context_parse_strv()
      cairo: Free popped pattern
      object: Avoid taking address of empty vector
      context: Avoid null pointer dereference
      release: Prepare for 1.48.7