Port #6498 fix: fix several misspellings of "SystemExit" as "SystemError".
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 87ffb39..bfb7fca 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -76,7 +76,7 @@
 int Py_DebugFlag; /* Needed by parser.c */
 int Py_VerboseFlag; /* Needed by import.c */
 int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */
-int Py_InspectFlag; /* Needed to determine whether to exit at SystemError */
+int Py_InspectFlag; /* Needed to determine whether to exit at SystemExit */
 int Py_NoSiteFlag; /* Suppress 'import site' */
 int Py_BytesWarningFlag; /* Warn on str(bytes) and str(buffer) */
 int Py_DontWriteBytecodeFlag; /* Suppress writing bytecode files (*.py[co]) */