Fix update and depend in engines/

The update: target in engines/ didn't recurse into engines/ccgost.
The update: and depend: targets in engines/ccgost needed a fixup.
Reviewed-by: NRich Salz <rsalz@openssl.org>

engines/Makefile

@@ -136,6 +136,7 @@ lint:
 
 update: local_depend
 	@if [ -z "$(THIS)" ]; then $(MAKE) -f $(TOP)/Makefile reflect THIS=$@; fi
+	@[ -z "$(THIS)" ] || (set -e; target=update; $(RECURSIVE_MAKE) )
 
 depend: local_depend
 	@if [ -z "$(THIS)" ]; then $(MAKE) -f $(TOP)/Makefile reflect THIS=$@; fi

engines/ccgost/Makefile

@@ -64,10 +64,10 @@ install:
 tests:
 
 update: local_depend
-	@[ -z "$(THIS)" ] && $(MAKE) -f $(TOP)/Makefile reflect THIS=$@
+	@if [ -z "$(THIS)" ]; then $(MAKE) -f $(TOP)/Makefile reflect THIS=$@; fi
 
 depend: local_depend
-	@[ -z "$(THIS)" ] && $(MAKE) -f $(TOP)/Makefile reflect THIS=$@
+	@if [ -z "$(THIS)" ]; then $(MAKE) -f $(TOP)/Makefile reflect THIS=$@; fi
 local_depend:
 	@[ -z "$(THIS)" ] || $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)