[libadwaita] gen-public-types: Fix a typo

[Alexander Mikhaylenko <alexm src gnome org>]

commit 7e65f5025398cfe7b8b118853ef20425681a2965
Author: Amy <apark0006 student cerritos edu>
Date:   Tue May 24 22:07:49 2022 +0000

    gen-public-types: Fix a typo

 src/gen-public-types.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gen-public-types.py b/src/gen-public-types.py
index 452a0159..e7c4efb9 100644
--- a/src/gen-public-types.py
+++ b/src/gen-public-types.py
@@ -6,7 +6,7 @@ import sys
 
 def main(argv):
     ensure_types = []
-    print('/* This file was generated by gen-plublic-types.py, do not edit it. */\n')
+    print('/* This file was generated by gen-public-types.py, do not edit it. */\n')
 
     # Run through the headers fed in to #include them and extract the ADW_TYPE_* macros
     for header in argv[1:]: