Fix Android.mk and namespace prefix std.
diff --git a/lib/ExecutionEngine/Compiler.cpp b/lib/ExecutionEngine/Compiler.cpp
index 27da775..37cb8e1 100644
--- a/lib/ExecutionEngine/Compiler.cpp
+++ b/lib/ExecutionEngine/Compiler.cpp
@@ -256,8 +256,8 @@
   size_t found1 = objPath.rfind("@");
 
   if (found0 == found1 ||
-      found0 == string::npos ||
-      found1 == string::npos) {
+      found0 == std::string::npos ||
+      found1 == std::string::npos) {
     LOGE("Ill formatted resource name '%s'. The name should contain 2 @s",
          objPath.c_str());
     return false;