move #define NUMCOLORS to x11.c

ChangeLog

@@ -1,3 +1,7 @@
+2011-05-03  Holger Vogt
+ * x11.c, graph.h: move #define NUMCOLORS to x11.c to avoid redefinition 
+   under MS Visual Studion
+
 2011-05-01  Robert Larice
  * src/frontend/outitf.c ,
  * src/spicelib/analysis/cktpzstr.c ,

src/frontend/plotting/x11.c

@@ -57,6 +57,8 @@ $Id$
 #define NXPLANES 5      /* note: What is this used for? */
 #define BOXSIZE 30      /* initial size of bounding box for zoomin */
 
+#define NUMCOLORS 20
+
 typedef struct x11info {
     Window window;
     int	isopen;

src/include/graph.h

@@ -20,8 +20,6 @@ struct _keyed;
 
 /* Device-independent data structure for plots. */
 
-#define NUMCOLORS 20
-
 struct graph {
     int graphid;
     struct dveclist *plotdata;  /* normalized data */