safe-ctype.h: Add #include of ctype.h before redefining the ctype.h macros.

        * safe-ctype.h: Add #include of ctype.h before redefining
        the ctype.h macros.

From-SVN: r137580

include/ChangeLog

+2008-07-07  Joel Brobecker  <brobecker@adacore.com>
+
+	* safe-ctype.h: Add #include of ctype.h before redefining
+	the ctype.h macros.
+
 2008-07-04  Joel Brobecker  <brobecker@adacore.com>
 
 	* safe-ctype.h: Remove #error when detecting that ctype.h has been

include/safe-ctype.h

@@ -116,7 +116,10 @@ extern const unsigned char  _sch_tolower[256];
    from ctype.h.  Initially, the approach was to produce an error when
    detecting that ctype.h has been included.  But this was causing
    trouble as ctype.h might get indirectly included as a result of
-   including another system header (for instance gnulib's stdint.h).  */
+   including another system header (for instance gnulib's stdint.h).
+   So we include ctype.h here and then immediately redefine its macros.  */
+
+#include <ctype.h>
 #undef isalpha
 #define isalpha(c) do_not_use_isalpha_with_safe_ctype
 #undef isalnum