struct MemVal moved into parseoptions.d

Author: denizzzka

src/core/gc/config.d

@@ -12,9 +12,6 @@ import core.internal.parseoptions;
 
 __gshared Config config;
 
-/// UDA for field treated as memory value
-struct MemVal {}
-
 struct Config
 {
     bool disable;            // start disabled

src/core/internal/parseoptions.d

@@ -15,7 +15,6 @@ import core.stdc.ctype;
 import core.stdc.string;
 import core.vararg;
 import core.internal.traits : externDFunc, hasUDA;
-import core.gc.config : MemVal;
 
 
 @nogc nothrow:
@@ -29,6 +28,9 @@ alias rt_configCallBack = string delegate(string) @nogc nothrow;
 alias fn_configOption = string function(string opt, scope rt_configCallBack dg, bool reverse) @nogc nothrow;
 alias rt_configOption = externDFunc!("rt.config.rt_configOption", fn_configOption);
 
+/// UDA for field treated as memory value
+struct MemVal {}
+
 /**
 * initialize members of struct CFG from rt_config options
 *