[gjs] cairo-context: fix use of cairo_destroy()

[Cosimo Cecchi <cosimoc src gnome org>]

commit b08735bf67420dee0415893c13a8d271b0f39e52
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Tue Oct 27 16:30:30 2015 -0700

    cairo-context: fix use of cairo_destroy()
    
    Pointed out by Owen Taylor <otaylor redhat com> and acked by Johan
    Dahlin <johan gnome org>
    
    https://bugzilla.gnome.org/show_bug.cgi?id=623330

 modules/cairo-context.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modules/cairo-context.cpp b/modules/cairo-context.cpp
index 8e06d16..74dcef6 100644
--- a/modules/cairo-context.cpp
+++ b/modules/cairo-context.cpp
@@ -1038,7 +1038,7 @@ context_to_g_argument(JSContext      *context,
     if (!cr)
         return JS_FALSE;
     if (transfer == GI_TRANSFER_EVERYTHING)
-        cairo_destroy(cr);
+        cairo_reference(cr);
 
     arg->v_pointer = cr;
     return JS_TRUE;