Fixes for possible buffer overflows in sprintf() usages.
diff --git a/Python/dynload_os2.c b/Python/dynload_os2.c
index 24ad74e..a3eb468 100644
--- a/Python/dynload_os2.c
+++ b/Python/dynload_os2.c
@@ -32,7 +32,7 @@
 	if (rc != NO_ERROR) {
 		char errBuf[256];
 		sprintf(errBuf,
-			"DLL load failed, rc = %d: %s",
+			"DLL load failed, rc = %d: %.200s",
 			rc, failreason);
 		PyErr_SetString(PyExc_ImportError, errBuf);
 		return NULL;