Make the version checking for Apple LLVM a bit less strict.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15088 a5019735-40e9-0310-863c-91ae7b9d1cf9

Author: sewardj

configure.ac

@@ -154,7 +154,7 @@ AM_CONDITIONAL(COMPILER_IS_ICC, test $is_clang = icc)
 # Note: m4 arguments are quoted with [ and ] so square brackets in shell
 # statements have to be quoted.
 case "${is_clang}-${gcc_version}" in
-     applellvm-5.1|applellvm-6.0*)
+     applellvm-5.1|applellvm-6.*)
 	AC_MSG_RESULT([ok (Apple LLVM version ${gcc_version})])
 	;;
      icc-1[[3-9]].*)