sizeof(char) is 1. By definition.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@44706 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/defs.h

@@ -667,9 +667,6 @@ enum {  wxDefaultCoord = -1 };
 /*  practice) */
 
 /*  8bit */
-#ifndef SIZEOF_CHAR
-    #define SIZEOF_CHAR 1
-#endif
 typedef signed char wxInt8;
 typedef unsigned char wxUint8;
 typedef wxUint8 wxByte;