fix relocatable.texi

[Bruno Haible]

makeinfo of relocatable.texi yields this error:

relocatable.texi:24: Unknown command `program'.
relocatable.texi:24: Misplaced {.
relocatable.texi:24: Misplaced }.
relocatable.texi:34: Unknown command `program'.
relocatable.texi:34: Misplaced {.
relocatable.texi:34: Misplaced }.

@program is not documented in texinfo-4.11.

Fixing it like this:

2007-10-03  Bruno Haible  <address@hidden>

        * doc/relocatable.texi: Use @samp instead of @program.

*** doc/relocatable.texi.orig   2007-10-03 14:03:17.000000000 +0200
--- doc/relocatable.texi        2007-10-03 14:02:50.000000000 +0200
***************
*** 21,27 ****
  link file is in the same directory as the real program.
  
  To configure a program to be relocatable, add
! @option{--enable-relocatable} to the @program{configure} command line.
  
  On some OSes the executables remember the location of shared libraries
  and prefer them over any other search path.  Therefore, such an
--- 21,27 ----
  link file is in the same directory as the real program.
  
  To configure a program to be relocatable, add
! @option{--enable-relocatable} to the @samp{configure} command line.
  
  On some OSes the executables remember the location of shared libraries
  and prefer them over any other search path.  Therefore, such an
***************
*** 31,37 ****
  @option{--prefix} option pointing to a directory that does not exist
  now and which never will be created, e.g.@:
  @option{--prefix=/nonexistent}.  You may use
! @address@hidden on the @program{make} command line to
  avoid installing into that directory.
  
  We do not recommend using a prefix writable by unprivileged users
--- 31,37 ----
  @option{--prefix} option pointing to a directory that does not exist
  now and which never will be created, e.g.@:
  @option{--prefix=/nonexistent}.  You may use
! @address@hidden on the @samp{make} command line to
  avoid installing into that directory.
  
  We do not recommend using a prefix writable by unprivileged users