* mug2: update for mu_store changes

toys/mug2/mug.c

@@ -25,6 +25,7 @@
 #include <string.h>		/* for memset */
 
 #include <mu-util.h>
+#include <mu-store.h>
 #include <mu-runtime.h>
 #include <mu-index.h>
 
@@ -62,7 +63,7 @@ reindex (MugData *mugdata)
 	MuIndex *midx;
 	GError *err;
 
-	if (mu_util_xapian_is_locked
+	if (mu_store_database_is_locked
 	    (mu_runtime_path(MU_RUNTIME_PATH_XAPIANDB)))
 		return;