[evince] Correct a typo in meson.build

[Germán Poo-Caamaño <gpoo src gnome org>]

commit df042cfd16091fdd77efa19fa12486aa2dbe62ce
Author: Felix Yan <felixonmars archlinux org>
Date:   Wed Aug 12 16:56:33 2020 +0000

    Correct a typo in meson.build

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 75b4af50..5b37d468 100644
--- a/meson.build
+++ b/meson.build
@@ -160,7 +160,7 @@ m_dep = cc.find_library('m')
 
 # Although GTK+ 3.10 includes hi-dpi functionality, it does not require a cairo with
 # cairo_surface_set_device_scale(), which we also need if we're to support hi-dpi,
-# so we need check for that explicity.
+# so we need check for that explicitly.
 cairo_dep = dependency('cairo', version: '>= 1.10.0')
 config_h.set('HAVE_HIDPI_SUPPORT', cc.has_function('cairo_surface_set_device_scale', dependencies: 
cairo_dep))