made all XPM const to avoid warnings from mingw32 4.0 and adopt the code accordingly (patch 1872384)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51228 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/xrc/rc/derivdlg.xpm

@@ -1,25 +1,25 @@
-/* XPM */
-static char * derivdlg_xpm[] = {
-"16 16 6 1",
-" 	c None",
-".	c #EBF70E",
-"+	c #000000",
-"@	c #808080",
-"#	c #0000FF",
-"$	c #FFFFFF",
-"   .            ",
-"+++.++++++++++++",
-"+.@.@.@@@@@@@@@+",
-"+@...#########@+",
-"...@....@@@@@@@+",
-"+@...$$$$$$$$$@+",
-"+.$.@.@@@@@@$$@+",
-"+@$.@@@@@@@@$$@+",
-"+@$.$$$$$$$$$$@+",
-"+@$$$$$$$$$$$$@+",
-"+@$$$$@@@@$$$$@+",
-"+@$$$$@@@@$$$$@+",
-"+@$$$$$$$$$$$$@+",
-"+@@@@@@@@@@@@@@+",
-"++++++++++++++++",
-"                "};
+/* XPM */
+static const char *const derivdlg_xpm[] = {
+"16 16 6 1",
+" 	c None",
+".	c #EBF70E",
+"+	c #000000",
+"@	c #808080",
+"#	c #0000FF",
+"$	c #FFFFFF",
+"   .            ",
+"+++.++++++++++++",
+"+.@.@.@@@@@@@@@+",
+"+@...#########@+",
+"...@....@@@@@@@+",
+"+@...$$$$$$$$$@+",
+"+.$.@.@@@@@@$$@+",
+"+@$.@@@@@@@@$$@+",
+"+@$.$$$$$$$$$$@+",
+"+@$$$$$$$$$$$$@+",
+"+@$$$$@@@@$$$$@+",
+"+@$$$$@@@@$$$$@+",
+"+@$$$$$$$$$$$$@+",
+"+@@@@@@@@@@@@@@+",
+"++++++++++++++++",
+"                "};