headers: normalize the spelling of some header guards

diff --git a/t/t4051-diff-function-context.sh b/t/t4051-diff-function-context.sh
index 3e6b485ecba1a59e3d69edc3ac5a6f0f1d327bd3..4838a1df8b4369dc5024cdd7929d851b76482805 100755 (executable)
--- a/t/t4051-diff-function-context.sh
+++ b/t/t4051-diff-function-context.sh
@@ -85,6 +85,10 @@ test_expect_success 'setup' '
 
 check_diff changed_hello 'changed function'
 
+test_expect_success ' context includes comment' '
+       grep "^ .*Hello comment" changed_hello.diff
+'
+
 test_expect_success ' context includes begin' '
        grep "^ .*Begin of hello" changed_hello.diff
 '
@@ -170,7 +174,7 @@ test_expect_success ' context does not include other functions' '
 '
 
 test_expect_success ' context does not include preceding empty lines' '
-       test "$(first_context_line <long_common_tail.diff.diff)" != " "
+       test "$(first_context_line <long_common_tail.diff)" != " "
 '
 
 check_diff changed_hello_appended 'changed function plus appended function'