vala: use "$(am__cd) $(srcdir)", not "cd $(srcdir)"

* automake.in (lang_vala_finish_target): In the generated rules,
use '$(am__cd)', not bare 'cd', to chdir into $(scdir).  Issue
revealed by the maintainer check 'sc_cd_relative_dir'.

diff --git a/automake.in b/automake.in
index e1d6319..eb859e2 100644 (file)
--- a/automake.in
+++ b/automake.in
@@ -6077,7 +6077,7 @@ sub lang_vala_finish_target ($$)
 
   $output_rules .=
     "\$(srcdir)/${derived}_vala.stamp: \$(${derived}_SOURCES)\n".
-    "\t${verbose}cd \$(srcdir) && ${compile} \$(${derived}_SOURCES)\n".
+    "\t${verbose}\$(am__cd) \$(srcdir) && ${compile} \$(${derived}_SOURCES)\n".
     "\t${silent}touch \$@\n";
 
   push_dist_common ("${derived}_vala.stamp");