Trailing whitespaces

Author: SLASHLogin

compiler/rustc_error_messages/locales/en-US/codegen_llvm.ftl

@@ -1,10 +1,10 @@
-codegen_llvm_unknown_ctarget_feature = 
+codegen_llvm_unknown_ctarget_feature =
     unknown feature specified for `-Ctarget-feature`: `{$feature}`
 
-codegen_llvm_unknown_feature_prefix = 
+codegen_llvm_unknown_feature_prefix =
     features must begin with a `+` to enable or `-` to disable it
 
-codegen_llvm_unknown_feature = 
+codegen_llvm_unknown_feature =
     it is still passed through to the codegen backend
 
 codegen_llvm_rust_feature =