address review comments

Author: oontvoo

lldb/source/Commands/CommandObjectSource.cpp

@@ -1192,11 +1192,11 @@ class CommandObjectSourceList : public CommandObjectParsed {
             }
             if (support_matches_count == 0) {
               result.AppendErrorWithFormat(
-                  "No file found for requested header: \"%s.\"\n", filename);
+                  "No file found for requested file: \"%s.\"\n", filename);
               return;
             } else if (support_matches_count > 1) {
               result.AppendErrorWithFormat(
-                  "Multiple files found for requested header: \"%s.\"\n",
+                  "Multiple files found for requested file: \"%s.\"\n",
                   filename);
               return;
             }

lldb/test/Shell/Commands/list-header.test

@@ -1,6 +1,5 @@
 ## Test that `list header.h:<line>` works correctly when header is available.
 ## 
-# REQUIRES: x86
 # RUN: split-file %s %t
 
 # RUN: %clang_host -g %t/main_with_inlined.cc %t/foo.cc -o %t/main_with_inlined.out