commit 7e19e116764d2651721cb9062ccaac31b0c771f2
from: Hiltjo Posthuma <hiltjo@codemadness.org>
date: Fri Jan  4 11:33:01 2019 UTC

Makefile: fix dependencies on config.h

patch by Younes Khoudli (changed slightly). Thanks

commit - 096b125db7ec254002a049ef3a5c1204bd7f0ad9
commit + 7e19e116764d2651721cb9062ccaac31b0c771f2
blob - 0b3cecd0329916f904c68d8ec6302a4c234a5664
blob + 470ac86407bbd2876e3ee997e04e57649b51da9f
--- Makefile
+++ Makefile
@@ -22,7 +22,7 @@ config.h:
 	$(CC) $(STCFLAGS) -c $<
 
 st.o: config.h st.h win.h
-x.o: arg.h st.h win.h
+x.o: arg.h config.h st.h win.h
 
 $(OBJ): config.h config.mk