[gimp] meson.make: Don't use backend-specific calls

[Niels De Graef <nielsdg src gnome org>]

commit b61dd873d53bf88cd3e2f60797270e7e04092143
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Thu Sep 30 16:13:35 2021 +0200

    meson.make: Don't use backend-specific calls
    
    There's always a possibility that someone wants to use meson with
    something else than `ninja` (in theory, since this is the only supported
    backend atm). It also means less commands to remember for newcomers.

 meson.make | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/meson.make b/meson.make
index be6252674c..6db9cb07ef 100755
--- a/meson.make
+++ b/meson.make
@@ -16,12 +16,12 @@ _build:
 
 .PHONY: build
 build: | _build
-       ninja -C _build
+       meson compile -C _build
 
 
 .PHONY: install
 install:
-       ninja -C _build install
+       meson install -C _build
 
 
 .PHONY: clean