meson: Use consistence disabled/enabled comment for shared-glapi option

Reviewed-by: Eric Engestrom <eric@igalia.com>
Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23793>

meson_options.txt

@@ -295,7 +295,7 @@ option(
   type : 'feature',
   deprecated: {'true': 'enabled', 'false': 'disabled'},
   description : 'Whether to build a shared or static glapi. Defaults to ' +
-                'false on Windows, true elsewhere'
+                'disabled on Windows, enabled elsewhere'
 )
 
 option(