[PATCH for-8.2] Fix broken build for QEMU guest agent

[Stefan Weil]

Meson setup failed:

    qga/meson.build:148:4: ERROR: Unknown variable "project".

Fixes commit e20d68aa ("configure, meson: use command line options [...]").

Signed-off-by: Stefan Weil <sw@weilnetz.de>
---
 qga/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qga/meson.build b/qga/meson.build
index 940a51d55d..ff7a8496e4 100644
--- a/qga/meson.build
+++ b/qga/meson.build
@@ -146,7 +146,7 @@ if targetos == 'windows'
       libpcre = 'libpcre2'
     endif
     qga_msi_version = get_option('qemu_ga_version') == '' \
-      ? project.version() \
+      ? meson.project_version() \
       : get_option('qemu_ga_version')
     qga_msi = custom_target('QGA MSI',
                             input: files('installer/qemu-ga.wxs'),
-- 
2.39.2