[pango] Fix typo in meson build support

[Matthias Clasen <matthiasc src gnome org>]

commit 4a34f34dff2493794a71fae4463976f384fb743b
Author: userwithuid <userwithuid gmail com>
Date:   Sun Jul 23 02:06:00 2017 +0000

    Fix typo in meson build support
    
    The keyword is called symbol_prefix, not symbols_prefix.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=785296

 pango/meson.build |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/pango/meson.build b/pango/meson.build
index c3c1ad6..06ac496 100644
--- a/pango/meson.build
+++ b/pango/meson.build
@@ -231,7 +231,7 @@ if xft_dep.found()
                                       namespace: 'PangoXft',
                                       nsversion: pango_api_version,
                                       identifier_prefix: 'PangoXft',
-                                      symbols_prefix: 'pango_xft',
+                                      symbol_prefix: 'pango_xft',
                                       export_packages: 'pangoxft',
                                       includes: [ 'GObject-2.0', 'xft-2.0', 'xlib-2.0' ],
                                       install: true,
@@ -356,7 +356,7 @@ if cairo_dep.found()
                                         namespace: 'PangoCairo',
                                         nsversion: pango_api_version,
                                         identifier_prefix: 'PangoCairo',
-                                        symbols_prefix: 'pango_cairo',
+                                        symbol_prefix: 'pango_cairo',
                                         export_packages: 'pangocairo',
                                         includes: [ 'GObject-2.0', 'cairo-1.0' ],
                                         install: true,