nxagent: make nxagentXFixesInfo.Initialized a Boolean

nx-X11/programs/Xserver/hw/nxagent/Clipboard.c

@@ -225,7 +225,7 @@ const char * getXErrorString(int code)
  * Save the values queried from X server.
  */
 
-XFixesAgentInfoRec nxagentXFixesInfo = { -1, -1, -1, 0 };
+XFixesAgentInfoRec nxagentXFixesInfo = { -1, -1, -1, False };
 
 extern Display *nxagentDisplay;
 
@@ -2234,7 +2234,7 @@ Bool nxagentInitClipboard(WindowPtr pWin)
                                  XFixesSelectionClientCloseNotifyMask);
     }
 
-    nxagentXFixesInfo.Initialized = 1;
+    nxagentXFixesInfo.Initialized = True;
   }
 
   /*

nx-X11/programs/Xserver/hw/nxagent/Clipboard.h

@@ -35,7 +35,7 @@ typedef struct _XFixesAgentInfo
   int Opcode;
   int EventBase;
   int ErrorBase;
-  int Initialized;
+  Bool Initialized;
 } XFixesAgentInfoRec;
 
 extern XFixesAgentInfoRec nxagentXFixesInfo;

nx-X11/programs/Xserver/hw/nxagent/Events.c

@@ -2831,7 +2831,7 @@ int nxagentHandleXFixesSelectionNotify(XEvent *X)
 {
   XFixesSelectionEvent *xfixesEvent = (XFixesSelectionEvent *) X;
 
-  if (nxagentXFixesInfo.Initialized == 0)
+  if (!nxagentXFixesInfo.Initialized)
   {
       #ifdef DEBUG
       fprintf(stderr, "%s: XFixes not initialized - doing nothing.\n", __func__);