undefine X11_BUILD after hack.h or config.h

So as not to complicate any onefile efforts by leaving it defined.

win/X11/dialogs.c

@@ -80,6 +80,7 @@
 #define X11_BUILD
 #include "config.h" /* #define for const for non __STDC__ compilers */
 #undef X11_BUILD
+
 #include "lint.h"   /* for nethack's nhStr() macro */
 #include "winX.h"   /* to make sure protoypes match corresponding functions */
 

win/X11/winX.c

@@ -16,8 +16,6 @@
 #define SHORT_FILENAMES
 #endif
 
-#define X11_BUILD
-
 #include <X11/Intrinsic.h>
 #include <X11/StringDefs.h>
 #include <X11/Shell.h>
@@ -48,7 +46,10 @@
 #undef SHORT_FILENAMES /* hack.h will reset via global.h if necessary */
 #endif
 
+#define X11_BUILD
 #include "hack.h"
+#undef X11_BUILD
+
 #include "winX.h"
 #include "dlb.h"
 #include "xwindow.h"

win/X11/winmenu.c

@@ -34,8 +34,9 @@
 #endif
 
 #define X11_BUILD
-
 #include "hack.h"
+#undef X11_BUILD
+
 #include "winX.h"
 
 static void menu_size_change_handler(Widget, XtPointer, XEvent *,

win/X11/winmisc.c

@@ -35,8 +35,9 @@
 #endif
 
 #define X11_BUILD
-
 #include "hack.h"
+#undef X11_BUILD
+
 #include "func_tab.h"
 #include "winX.h"
 

win/X11/wintext.c

@@ -29,8 +29,9 @@
 #endif
 
 #define X11_BUILD
-
 #include "hack.h"
+#undef X11_BUILD
+
 #include "winX.h"
 #include "xwindow.h"