Actually name the #define correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15945 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 3f677f3..2d115ce 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -485,7 +485,7 @@
 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", [Installation directory for libraries])
 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", [Installation directory for data files])
 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR", [Installation directory for documentation])
-AC_DEFINE_UNQUOTED(LLVM_CONFIGDIR, "$LLVM_ETCDIR", [Installation directory for config files])
+AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", [Installation directory for config files])
 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", [Installation directory for include files])
 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", [Installation directory for .info files])
 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", [Installation directory for man pages])