Log Message:
Update to 0.5.3:

0.5.2 -> 0.5.3
=================
Akira TAGOH (7):
      add a script to prepare a release
      Fix non-literal format string issues (fixed issue#5)
      Fix typo
      Update autotools macro
      Merged in erAck/liblangtag/0.5.x (pull request #7)
      Fix autoconf warning, warning: AC_COMPILE_IFELSE was called before \ 
AC_USE_SYSTEM_EXTENSIONS
      separately canonicalize into the canonical form and the extlang form

Eike Rathke (2):
      Merged tagoh/liblangtag/0.5.x into 0.5.x
      resolves #6, include last record in language-subtag-registry.xml

0.5.1 -> 0.5.2
=================
Akira TAGOH (6):
      Replace AM_CONFIG_HEADER with AC_CONFIG_HEADERS
      Merge commit '8532462c5354b66848e387a7d435ca5dadbf768c' into 0.5.x
      Merged in juikim/liblangtag/0.5.x (pull request #3)
      Use AM_CPPFLAGS instead of INCLUDES
      Merged in erAck/liblangtag/0.5.x-libreoffice (pull request #4)
      Fix duplicate definition of EXTRA_DIST

David Tardon (10):
      fix automake error
      coverity: free the iter, not _pointer_ to it
      coverity: check if error is non-null before using it
      coverity: check return value of malloc
      coverity: returning ptr as const is meaningless
      coverity: free string in case of error
      coverity: close file handle
      coverity: check ptr before it is used
      coverity: check ptr before it is used
      coverity: check ptr before it is used

Eike Rathke (11):
      check return value of C99 vsnprintf()
      check for MSVC defined ssize_t
      MSVC-32 has _snprintf() instead of snprintf()
      MSVC has _strtoui64() instead of strtoull()
      variable declarations need to be at beginning of scope
      undefined HAVE_SYS_PARAM_H
      automatically appending dir separator does not work on Windows
      check for HAVE_UNISTD_H
      do not specify a document encoding to avoid garbage conversion
      MSVC does not like const typedef'ed function pointers
      Revert "do not specify a document encoding to avoid garbage \ 
conversion"

Jung-uk Kim (2):
      Use awk(1) instead of sed(1) to fix build on *BSD.
      Fix duplicate typedef introduced in 57c47aa.