Fix the MS-DOS build broken by STRING_BYTES_MAX.

 msdos/sedlibmk.inp (PTRDIFF_T_SUFFIX): Edit to nothing.

diff --cc msdos/ChangeLog
index d4aa2344baa08b91109dc92fbd6925e6a051bbf9,d4aa2344baa08b91109dc92fbd6925e6a051bbf9..e1ce2a312e05f0a9cd062a5f993adbb9172592c9
--- 1/msdos/ChangeLog
--- 2/msdos/ChangeLog
+++ b/msdos/ChangeLog
@@@ -1,3 -1,3 +1,7 @@@
++2011-06-07  Eli Zaretskii  <eliz@gnu.org>
++
++      * sedlibmk.inp (PTRDIFF_T_SUFFIX): Edit to nothing.
++
  2011-05-28  Eli Zaretskii  <eliz@gnu.org>
  
        * sed1v2.inp: Edit "make-docfile -d FOO" commands to chdir back to

diff --cc msdos/sedlibmk.inp
index eafdacaa3cae06cc320ac647aec9e65e3d66cd2d,eafdacaa3cae06cc320ac647aec9e65e3d66cd2d..3860203d2bf6c281ac0f7c753e10e831dc073e48
--- 1/msdos/sedlibmk.inp
--- 2/msdos/sedlibmk.inp
+++ b/msdos/sedlibmk.inp
@@@ -424,6 -424,6 +424,7 @@@ am__cd = c
  /^PRAGMA_COLUMNS *=/s/@[^@\n]*@//
  /^PRAGMA_SYSTEM_HEADER *=/s/@[^@\n]*@/\\\#pragma GCC system_header/
  /^PTHREAD_H_DEFINES_STRUCT_TIMESPEC *=/s/@[^@\n]*@/0/
++/^PTRDIFF_T_SUFFIX *=/s/@[^@\n]*@//
  /^RANLIB *=/s/@[^@\n]*@/ranlib/
  /^REPLACE_CALLOC *=/s/@REPLACE_CALLOC@/0/
  /^REPLACE_CANONICALIZE_FILE_NAME *=/s/@REPLACE_CANONICALIZE_FILE_NAME@/0/