query_config: Move to programs/test

As the SSL programs, like ssl_client2 and ssl_server2, are dependent on
SSL and therefore about to be removed, the only consumer of query_config
is the query_compile_time_config test. As such, it makes sense to move
query_config to be next to what uses it.
diff --git a/scripts/generate_visualc_files.pl b/scripts/generate_visualc_files.pl
index 68a1bd4..42f3024 100755
--- a/scripts/generate_visualc_files.pl
+++ b/scripts/generate_visualc_files.pl
@@ -98,7 +98,7 @@
     my $srcs = "\n    <ClCompile Include=\"..\\..\\programs\\$path.c\" \/>\r";
     if( $appname eq "ssl_client2" or $appname eq "ssl_server2" or
         $appname eq "query_compile_time_config" ) {
-        $srcs .= "\n    <ClCompile Include=\"..\\..\\programs\\ssl\\query_config.c\" \/>\r";
+        $srcs .= "\n    <ClCompile Include=\"..\\..\\programs\\test\\query_config.c\" \/>\r";
     }
 
     my $content = $template;