Increment overviewer extension version

Wunkolo · Wunkolo · commit eb9d6a98e531 · 2019-03-17T12:05:32.000-07:00
diff --git a/overviewer_core/src/overviewer.h b/overviewer_core/src/overviewer.h
@@ -33,7 +33,7 @@
 
 // increment this value if you've made a change to the c extesion
 // and want to force users to rebuild
-#define OVERVIEWER_EXTENSION_VERSION 56
+#define OVERVIEWER_EXTENSION_VERSION 57
 
 /* Python PIL, and numpy headers */
 #include <Python.h>
