Fix for missing __CHAR_BIT__ under MacOS X

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26495 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/regex/rege_dfa.c

@@ -257,6 +257,12 @@ struct dfa *d;
  ^ static struct dfa *newdfa(struct vars *, struct cnfa *,
  ^ 	struct colormap *, struct smalldfa *);
  */
+ 
+/* FIXME Required for CW 8 on Mac since it's not in limits.h */
+#ifndef __CHAR_BIT__
+#define __CHAR_BIT__ 8
+#endif 
+ 
 static struct dfa *
 newdfa(v, cnfa, cm, small)
 struct vars *v;