Make it return a _const_ char*.
diff --git a/Python/getplatform.c b/Python/getplatform.c
index f9b4dc3..aea2ef5 100644
--- a/Python/getplatform.c
+++ b/Python/getplatform.c
@@ -35,7 +35,7 @@
 #define PLATFORM "unknown"
 #endif
 
-char *
+const char *
 Py_GetPlatform()
 {
 	return PLATFORM;