synchronize some recent changes between linux.370 and macOS.370

sys/unix/hints/linux.370

@@ -122,7 +122,6 @@ endif
 #$(info $(CURSESLIB))
 endif      #HAVE_NCURSESW
 endif      #MAKEFILE_SRC
-WINLIB += $(CURSESLIB)
 endif      #USE_CURSESLIB
 
 # NetHack sources control
@@ -168,6 +167,12 @@ VARDATND0 =
 #HINTOBJ=$(CHAINOBJ)
 #endif # WANT_WIN_CHAIN
 
+ifdef MAKEFILE_SRC
+ifdef CURSESLIB
+WINLIB += $(CURSESLIB)
+endif   #CURSESLIB
+endif   #MAKEFILE_SRC
+
 ifdef WANT_WIN_X11
 USE_XPM=1
 WINX11LIB = -lXaw -lXmu -lXext -lXt -lX11