Harmonize do_rehash_rule with updated test/recipies/25-test_verify.t.

Reviewed-by: NRichard Levitte <levitte@openssl.org>

util/mk1mf.pl

@@ -779,8 +779,8 @@ reallyclean:
 
 EOF
 
-$rules .= &do_rehash_rule("rehash", "certs apps");
-$rules .= &do_test_rule("test", "rehash", "run_tests.pl");
+$rules .= &do_rehash_rule("rehash.time", "certs apps");
+$rules .= &do_test_rule("test", "rehash.time", "run_tests.pl");
 
 my $platform_cpp_symbol = "MK1MF_PLATFORM_$platform";
 $platform_cpp_symbol =~ s/-/_/g;

util/pl/VC-32.pl

@@ -307,6 +307,7 @@ $target: $deps
 	set OPENSSL=\$(BIN_D)${o}openssl.exe
 	set OPENSSL_DEBUG_MEMORY=on
 	\$(PERL) tools/c_rehash certs/demo
+	echo off > $target
 EOF
     return $ret
 }

util/pl/unix.pl

@@ -193,7 +193,8 @@ $target: $deps
 	(OPENSSL="`pwd`/util/opensslwrap.sh"; \\
 	OPENSSL_DEBUG_MEMORY=on; \\
 	export OPENSSL OPENSSL_DEBUG_MEMORY; \\
-	\$(PERL) tools/c_rehash certs/demo)
+	\$(PERL) tools/c_rehash certs/demo; \\
+	touch $target)
 EOF
     return $ret
 }