[pango] Make line-spacing opt-in

[Matthias Clasen <matthiasc src gnome org>]

commit f9119da9749cdda80fa581377e5b3eab0ca8686f
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Aug 2 14:33:43 2019 -0400

    Make line-spacing opt-in
    
    Default the new line-spacing property to 0, so
    spacing continues to work. Applications can opt
    in to the new line-spacing behavior by setting
    a non-zero value.
    
    This should make spacing in the Gimp work again.

 pango/pango-layout.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/pango/pango-layout.c b/pango/pango-layout.c
index 53e39c1b..521f806a 100644
--- a/pango/pango-layout.c
+++ b/pango/pango-layout.c
@@ -191,7 +191,7 @@ pango_layout_init (PangoLayout *layout)
   layout->height = -1;
   layout->indent = 0;
   layout->spacing = 0;
-  layout->line_spacing = 1.0;
+  layout->line_spacing = 0.0;
 
   layout->alignment = PANGO_ALIGN_LEFT;
   layout->justify = FALSE;
@@ -605,7 +605,7 @@ pango_layout_get_spacing (PangoLayout *layout)
  *
  * Sets a factor for line spacing.
  * Typical values are: 0, 1, 1.5, 2.
- * The default values is 1.
+ * The default values is 0.
  *
  * If @factor is non-zero, lines are placed
  * so that