Add case for glibc 2.16 and correct error message to denote support until 2.16

Signed-off-by: Khem Raj <raj.khem@gmail.com>

Upstream-Status: Pending
Index: valgrind-3.7.0/configure.in
===================================================================
--- valgrind-3.7.0.orig/configure.in	2012-07-04 12:57:10.557192441 -0700
+++ valgrind-3.7.0/configure.in	2012-07-04 12:57:58.785194776 -0700
@@ -788,6 +788,13 @@
 	DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
 	DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
 	;;
+     2.16)
+	AC_MSG_RESULT(2.16 family)
+	AC_DEFINE([GLIBC_2_16], 1, [Define to 1 if you're using glibc 2.16.x])
+	DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
+	DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+	DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+	;;
      darwin)
 	AC_MSG_RESULT(Darwin)
 	AC_DEFINE([DARWIN_LIBC], 1, [Define to 1 if you're using Darwin])
@@ -801,7 +808,7 @@
 
      *)
 	AC_MSG_RESULT([unsupported version ${GLIBC_VERSION}])
-	AC_MSG_ERROR([Valgrind requires glibc version 2.2 - 2.14])
+	AC_MSG_ERROR([Valgrind requires glibc version 2.2 - 2.16])
 	AC_MSG_ERROR([or Darwin libc])
 	;;
 esac