Windows: Build kadm5 tools in a separate build-step

The application manifests for Heimdal can't be built until the
libraries are built.  Since tools depend on application manifests, we
need to build them separately.

lib/kadm5/NTMakefile

@@ -220,7 +220,9 @@ $(BINDIR)\libkadm5srv.dll: $(LIBKADM5SRV_OBJS) $(LIBHEIMDAL) $(LIBROKEN) $(LIBHD
 	$(DLLGUILINK) -implib:$(LIBKADM5SRV) -def:libkadm5srv-exports.def
 	$(DLLPREP)
 
-all:: $(INCFILES) $(LIBKADM5SRV) $(LIBKADM5CLNT) $(SBINPROGRAMS) $(LIBEXECPROGRAMS)
+all:: $(INCFILES) $(LIBKADM5SRV) $(LIBKADM5CLNT)
+
+all-tools:: $(SBINPROGRAMS) $(LIBEXECPROGRAMS)
 
 clean::
 	-$(RM) $(INCFILES)