parallel for lib symbol search

src/linker/lnk_lib.c

@@ -110,7 +110,6 @@ lnk_lib_from_data(Arena *arena, String8 data, String8 path, U64 input_idx, LNK_L
       }
       
       // parse symbol names
-      String8Array symbol_names;
       {
         Temp scratch = scratch_begin(&arena, 1);
         String8List symbol_name_list = str8_split_by_string_chars(scratch.arena, first_member.string_table, str8_lit("\0"), StringSplitFlag_KeepEmpties);