Issue #4025 again
Converted a C99 style comment to a C89 style comment (found by MAL).
diff --git a/Modules/_ctypes/callproc.c b/Modules/_ctypes/callproc.c
index 01ba8a0..7f7d641 100644
--- a/Modules/_ctypes/callproc.c
+++ b/Modules/_ctypes/callproc.c
@@ -221,7 +221,7 @@
n = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
code,
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), /* Default language */
(LPTSTR) &lpMsgBuf,
0,
NULL);