patch 8.1.2054: compiler test for Perl may fail

Problem:    Compiler test for Perl may fail.
Solution:   Accept any error line number. (James McCoy, closes #4944)
diff --git a/src/testdir/test_compiler.vim b/src/testdir/test_compiler.vim
index f561e84..40d3cdb 100644
--- a/src/testdir/test_compiler.vim
+++ b/src/testdir/test_compiler.vim
@@ -28,8 +28,9 @@
   w!
   call feedkeys(":make\<CR>\<CR>", 'tx')
   let a=execute('clist')
-  call assert_match("\n 1 Xfoo.pl:3: Global symbol \"\$foo\" "
-  \ .               "requires explicit package name", a)
+  call assert_match('\n \d\+ Xfoo.pl:3: Global symbol "$foo" '
+  \ .               'requires explicit package name', a)
+
 
   let &shellslash = save_shellslash
   call delete('Xfoo.pl')