Add conversion test for MSBLOB format.

Reviewed-by: NRich Salz <rsalz@openssl.org>

test/recipes/15-test_dsa.t

@@ -34,7 +34,7 @@ ok(run(test(["dsatest", "-app2_1"])), "running dsatest -app2_1");
 	 tconversion("dsa", srctop_file("test","testdsa.pem"), "pkey");
      };
      subtest 'dsa conversions -- public key' => sub {
-	 tconversion("dsa", srctop_file("test","testdsapub.pem"), "dsa",
-		     "-pubin", "-pubout");
+	 tconversion("msb", srctop_file("test","testdsapub.pem"), "dsa",
+		         "-pubin", "-pubout");
      };
 }

test/recipes/15-test_rsa.t

@@ -35,7 +35,7 @@ ok(run(app([ 'openssl', 'rsa', '-check', '-in', srctop_file('test', 'testrsa.pem
 	 tconversion("rsa", srctop_file("test","testrsa.pem"), "pkey");
      };
      subtest 'rsa conversions -- public key' => sub {
-	 tconversion("rsa", srctop_file("test","testrsapub.pem"), "rsa",
+	 tconversion("msb", srctop_file("test","testrsapub.pem"), "rsa",
 		     "-pubin", "-pubout");
      };
 }

test/recipes/tconversion.pl

@@ -19,6 +19,7 @@ my %conversionforms = (
     # Default conversion forms.  Other series may be added with
     # specific test types as key.
     "*"		=> [ "d", "p" ],
+    "msb"	=> [ "d", "p", "msblob" ],
     );
 sub tconversion {
     my $testtype = shift;