[gjs: 3/5] CI: Fix bug in IWYU process script

[Philip Chimento <pchimento src gnome org>]

commit c5cf1d83862c302eb859334a0473e13df1e33cd1
Author: Philip Chimento <philip chimento gmail com>
Date:   Mon Jul 25 23:25:49 2022 -0700

    CI: Fix bug in IWYU process script
    
    Leaving out the comma here would concatenate the two strings; not what we
    wanted.

 tools/process_iwyu.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/tools/process_iwyu.py b/tools/process_iwyu.py
index 05865560d..b9eabf22f 100755
--- a/tools/process_iwyu.py
+++ b/tools/process_iwyu.py
@@ -45,7 +45,7 @@ FWD_DECLS_IN_HEADER = (
     'struct JSRuntime;',
     'class JSScript;',
     'class JSString;',
-    'namespace js { class TempAllocPolicy; }'
+    'namespace js { class TempAllocPolicy; }',
     'namespace JS { struct PropertyKey; }',
     'namespace JS { class Symbol; }',
     'namespace JS { class BigInt; }',