bench: No need to remake yxml.c when that is the only known dependency
diff --git a/bench/Makefile b/bench/Makefile
index de5cf42..6db51bf 100644
--- a/bench/Makefile
+++ b/bench/Makefile
@@ -59,7 +59,6 @@
 
 
 yxml.o: ../yxml.c
-	make -C .. yxml.c
 	${CC} ${CFLAGS} -I.. ../yxml.c -c
 
 yxml: ${MUSLCROSS} bench.c yxml.o