Fixed spacing in autogenerated makefiles.

Test: update-makefiles.sh
Change-Id: Id0fa1b05ef9e159d207a17e1a41aefb50f2dbe81
diff --git a/main.cpp b/main.cpp
index d95dadb..1524080 100644
--- a/main.cpp
+++ b/main.cpp
@@ -731,14 +731,14 @@
     out.unindent();
 
     out << "],\n";
-    out.unindent();
 
     out << "export_shared_lib_headers: [\n";
     out.indent();
     out << "\"libhidl\",\n"
         << "\"libhwbinder\",\n"
-        << "\"libutils\",\n"
-        << "],\n";
+        << "\"libutils\",\n";
+    out.unindent();
+    out << "],\n";
     out.unindent();
 
     out << "}\n";