[gimp] meson.build: store GIMP_BUILD_REVISION as an int macro.

[Jehan <jehanp src gnome org>]

commit 0c1205f4c5b967e3329f15f698bcbdadec288342
Author: Jehan <jehan girinstud io>
Date:   Thu Feb 6 22:11:41 2020 +0100

    meson.build: store GIMP_BUILD_REVISION as an int macro.

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index def4580ac7..ffce5462d8 100644
--- a/meson.build
+++ b/meson.build
@@ -1101,7 +1101,7 @@ conf.set_quoted('BUG_REPORT_URL', bug_report_url)
 # Build identifiers #
 
 conf.set_quoted('GIMP_BUILD_ID', get_option('build-id'))
-conf.set_quoted('GIMP_BUILD_REVISION', get_option('revision').to_string())
+conf.set('GIMP_BUILD_REVISION', get_option('revision'))
 conf.set_quoted('GIMP_BUILD_PLATFORM', host_os)
 if platform_linux
   conf.set_quoted('GIMP_BUILD_PLATFORM_FAMILY', 'linux')