[meld: 9/10] build: Use install_man

[Kai Willadsen <kaiw src gnome org>]

commit 244cc8cb65000e30766d2e457a05bf55b6722cd0
Author: Iñigo Martínez <inigomartinez gmail com>
Date:   Mon Feb 15 12:25:12 2021 +0100

    build: Use install_man
    
    There is a function called `install_man`[0] that installes man files
    in their proper directory, so it has been used to install the man
    file.
    
    [0] https://mesonbuild.com/Reference-manual.html#install_man

 data/meson.build | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
---
diff --git a/data/meson.build b/data/meson.build
index 70324118..01949188 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -1,8 +1,5 @@
 # Install man page
-install_data(
-  'meld.1',
-  install_dir: mandir / 'man1',
-)
+install_man('meld.1')
 
 # Install schema file
 install_data(