[wing] build: bump meson version to 0.49.0

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 26896643d8ed0cc4cbbca3ffd2cd81e1673d9089
Author: Jakub Janků <jjanku redhat com>
Date:   Thu Mar 26 19:16:55 2020 +0100

    build: bump meson version to 0.49.0
    
    Fixes the following:
    
    WARNING: Project specifies a minimum meson_version '>= 0.39.0'
    but uses features which were added in newer versions:
     * 0.43.0: {'compiler.get_supported_arguments'}
     * 0.49.0: {'/ with string arguments'}
    
    Signed-off-by: Jakub Janků <jjanku redhat com>

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 543dd61..58c1a54 100644
--- a/meson.build
+++ b/meson.build
@@ -6,7 +6,7 @@ project(
     'warning_level=2'
   ],
   license: 'LGPLv2.1+',
-  meson_version: '>= 0.39.0'
+  meson_version: '>= 0.49.0'
 )
 
 wing_version = meson.project_version()