Line erroneously commented out

llvm-svn: 44387
diff --git a/llvm-gcc-4.0/GNUmakefile b/llvm-gcc-4.0/GNUmakefile
index cd61803..93be134 100644
--- a/llvm-gcc-4.0/GNUmakefile
+++ b/llvm-gcc-4.0/GNUmakefile
@@ -39,7 +39,7 @@
 ifndef DISABLE_LLVM
 ENABLE_LLVM = true
 # LLVM gets installed into /usr/local, not /usr.
-#ifndef DEVELOPER_DIR
+ifndef DEVELOPER_DIR
 PREFIX = /Developer/usr/llvm-gcc-4.0
 else
 PREFIX = ${DEVELOPER_DIR}/usr/lvm-gcc-4.0