Search for the export map in a place that it can be found.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65552 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/autoconf/ExportMap.map b/autoconf/ExportMap.map
new file mode 100644
index 0000000..43e310e
--- /dev/null
+++ b/autoconf/ExportMap.map
@@ -0,0 +1,4 @@
+{
+	global: main;
+	local: *;
+};