Set to 2.4 and regenerate configure.

llvm-svn: 50935
diff --git a/llvm/autoconf/configure.ac b/llvm/autoconf/configure.ac
index 0dfbef8..d4e071d 100644
--- a/llvm/autoconf/configure.ac
+++ b/llvm/autoconf/configure.ac
@@ -31,7 +31,7 @@
 dnl===-----------------------------------------------------------------------===
 dnl Initialize autoconf and define the package name, version number and
 dnl email address for reporting bugs.
-AC_INIT([[llvm]],[[2.3svn]],[llvmbugs@cs.uiuc.edu])
+AC_INIT([[llvm]],[[2.4svn]],[llvmbugs@cs.uiuc.edu])
 
 dnl Provide a copyright substitution and ensure the copyright notice is included
 dnl in the output of --version option of the generated configure script.