loci: update OF_VERSION_OKAY macro
diff --git a/c_gen/c_code_gen.py b/c_gen/c_code_gen.py
index b005b04..12ceff6 100644
--- a/c_gen/c_code_gen.py
+++ b/c_gen/c_code_gen.py
@@ -530,7 +530,7 @@
 /**
  * Check if a version is supported
  */
-#define OF_VERSION_OKAY(v) ((v) >= OF_VERSION_1_0 && (v) <= OF_VERSION_1_3)
+#define OF_VERSION_OKAY(v) ((v) >= OF_VERSION_1_0 && (v) <= OF_VERSION_1_4)
 
 """)
     gen_version_enum(out)