Remove the quotation of the function name.

Change-Id: Ib01363787fe69b23996bdd0e200a07c7997370fc
diff --git a/src/compiler_llvm/ir_builder.cc b/src/compiler_llvm/ir_builder.cc
index 30ed6ec..60f31f2 100644
--- a/src/compiler_llvm/ir_builder.cc
+++ b/src/compiler_llvm/ir_builder.cc
@@ -58,8 +58,8 @@
 
 #define GET_RUNTIME_SUPPORT_FUNC_DECL(ID, NAME) \
   do { \
-    llvm::Function* fn = module_->getFunction(NAME); \
-    DCHECK_NE(fn, (void*)NULL) << "Function not found: " << NAME; \
+    llvm::Function* fn = module_->getFunction(#NAME); \
+    DCHECK_NE(fn, (void*)NULL) << "Function not found: " << #NAME; \
     runtime_support_func_decls_[ID] = fn; \
   } while (0);