fix CI error in llvm 3.6 => 3.8
@@ -11,7 +11,7 @@ use llvm_sys::transforms::vectorize::{LLVMAddLoopVectorizePass, LLVMAddSLPVector
use crate::OptimizationLevel;
use crate::module::Module;
#[llvm_versions(3.6 => 3.8)]
-use targets::TargetData;
+use crate::targets::TargetData;
use crate::values::{AsValueRef, FunctionValue};
// REVIEW: Opt Level might be identical to targets::Option<CodeGenOptLevel>
