rename_c_identifier: don't crash when doing only one replacement.

diff --git a/scripts/maint/rename_c_identifier.py b/scripts/maint/rename_c_identifier.py
index e8cdb895a247c05ac93aaed24cf6766d231f5695..213172d9138fd7e696ac8c0b160cca6d7f7e27f6 100755 (executable)
--- a/scripts/maint/rename_c_identifier.py
+++ b/scripts/maint/rename_c_identifier.py
@@ -132,7 +132,7 @@ def make_commit_msg(pairs, no_verify):
     script = " \\\n".join(script)
 
     if len(pairs) == 1:
-        line1 = "Rename {} to {}".format(pairs[0])
+        line1 = "Rename {} to {}".format(*pairs[0])
     else:
         line1 = "Replace several C identifiers."