meson: Fix warning in run_command usage (#21)

Meson warns:

WARNING: You should add the boolean check kwarg to the run_command call.
         It currently defaults to false,
         but it will default to true in meson 2.0.
         See also: mesonbuild/meson#9300

Author: neuschaefer

meson.build

@@ -1,5 +1,5 @@
 project('ampart', 'c',
-    version : run_command('bash', 'scripts/build-only-version.sh').stdout().strip())
+    version : run_command('bash', 'scripts/build-only-version.sh', check: true).stdout().strip())
 incdir = include_directories('include')
 zlibdep = dependency('zlib')