[at-spi2-atk: 1/2] tests: Replace common variable with usual external variable

[Mike Gorse <mgorse src gnome org>]

commit 180f91479e27eed40c4d7ed6fe1fc82468d4982f
Author: Samuel Thibault <samuel thibault ens-lyon org>
Date:   Sun Aug 25 22:28:07 2019 +0200

    tests: Replace common variable with usual external variable

 tests/atk_test_util.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/tests/atk_test_util.h b/tests/atk_test_util.h
index b2376d5..a81bedd 100644
--- a/tests/atk_test_util.h
+++ b/tests/atk_test_util.h
@@ -36,7 +36,7 @@
 #include <locale.h>
 #include "atk_suite.h"
 
-pid_t child_pid;
+extern pid_t child_pid;
 
 void run_app (const char *file_name);
 AtspiAccessible *get_root_obj (const char *file_name);