Build: Make 'test' depend on 'tests'

Because we have a directory 'test', the target 'test' may be confusing
to make.  However, if we make it depend on 'tests', which doesn't
exist, make should never fail to run the actions.
Reviewed-by: NAndy Polyakov <appro@openssl.org>

Configurations/unix-Makefile.tmpl

@@ -217,8 +217,9 @@ build_apps_nodep: $(PROGRAMS) $(SCRIPTS)
 build_tests: configdata.pm build_tests_nodep depend
 build_tests_nodep: $(TESTPROGS)
 
-test tests: build_tests_nodep build_apps_nodep build_engines_nodep \
-            depend link-utils
+test: tests
+tests: build_tests_nodep build_apps_nodep build_engines_nodep \
+       depend link-utils
 	@ : {- output_off() if $disabled{tests}; "" -}
 	( cd test; \
 	  SRCTOP=../$(SRCDIR) \

Configurations/windows-makefile.tmpl

@@ -138,7 +138,8 @@ build_apps_nodep: $(PROGRAMS) $(SCRIPTS)
 build_tests: configdata.pm build_tests_nodep depend
 build_tests_nodep: $(TESTPROGS)
 
-test tests: build_tests_nodep build_apps_nodep build_engines_nodep depend
+test: tests
+tests: build_tests_nodep build_apps_nodep build_engines_nodep depend
 	@rem {- output_off() if $disabled{tests}; "" -}
 	set SRCTOP=$(SRCDIR)
 	set BLDTOP=$(BLDDIR)