_msi.c: try to fix compiler warnings
diff --git a/PC/_msi.c b/PC/_msi.c
index 86a5943..b66b18b 100644
--- a/PC/_msi.c
+++ b/PC/_msi.c
@@ -1032,12 +1032,12 @@
     if (m == NULL)
         return NULL;
 
-    PyModule_AddIntConstant(m, "MSIDBOPEN_CREATEDIRECT", (int)MSIDBOPEN_CREATEDIRECT);
-    PyModule_AddIntConstant(m, "MSIDBOPEN_CREATE", (int)MSIDBOPEN_CREATE);
-    PyModule_AddIntConstant(m, "MSIDBOPEN_DIRECT", (int)MSIDBOPEN_DIRECT);
-    PyModule_AddIntConstant(m, "MSIDBOPEN_READONLY", (int)MSIDBOPEN_READONLY);
-    PyModule_AddIntConstant(m, "MSIDBOPEN_TRANSACT", (int)MSIDBOPEN_TRANSACT);
-    PyModule_AddIntConstant(m, "MSIDBOPEN_PATCHFILE", (int)MSIDBOPEN_PATCHFILE);
+    PyModule_AddIntConstant(m, "MSIDBOPEN_CREATEDIRECT", (long)MSIDBOPEN_CREATEDIRECT);
+    PyModule_AddIntConstant(m, "MSIDBOPEN_CREATE", (long)MSIDBOPEN_CREATE);
+    PyModule_AddIntConstant(m, "MSIDBOPEN_DIRECT", (long)MSIDBOPEN_DIRECT);
+    PyModule_AddIntConstant(m, "MSIDBOPEN_READONLY", (long)MSIDBOPEN_READONLY);
+    PyModule_AddIntConstant(m, "MSIDBOPEN_TRANSACT", (long)MSIDBOPEN_TRANSACT);
+    PyModule_AddIntConstant(m, "MSIDBOPEN_PATCHFILE", (long)MSIDBOPEN_PATCHFILE);
 
     PyModule_AddIntMacro(m, MSICOLINFO_NAMES);
     PyModule_AddIntMacro(m, MSICOLINFO_TYPES);