Fix ap_mmn.h after r1893971.
#ifndef MODULE_MAGIC_NUMBER_MAJOR
#define MODULE_MAGIC_NUMBER_MAJOR 20210926
#endif
-#define MODULE_MAGIC_NUMBER_MINOR 0 /* 0...n */
+#define MODULE_MAGIC_NUMBER_MINOR 1 /* 0...n */
/**
* Determine if the server's current MODULE_MAGIC_NUMBER is at least a
