Add art runtime support declaration.

Change-Id: I909ac29ef4ffbcbe93c7809e2d396ed4672f5892
diff --git a/src/compiler_llvm/method_compiler.cc b/src/compiler_llvm/method_compiler.cc
index f2505f4..65d6412 100644
--- a/src/compiler_llvm/method_compiler.cc
+++ b/src/compiler_llvm/method_compiler.cc
@@ -22,6 +22,7 @@
 #include "logging.h"
 #include "object.h"
 #include "object_utils.h"
+#include "runtime_support_func.h"
 #include "stl_util.h"
 #include "stringprintf.h"
 #include "utils_llvm.h"
@@ -35,6 +36,8 @@
 namespace art {
 namespace compiler_llvm {
 
+using namespace runtime_support;
+
 
 MethodCompiler::MethodCompiler(InstructionSet insn_set,
                                Compiler* compiler,