Removed unused variable

src/completion_string.cpp

@@ -83,7 +83,6 @@ clangmm::Cursor clangmm::CompletionString::get_cursor(CXTranslationUnit &tu) con
         bool equal = true;
         auto cx_tmp_cursor = cx_parent;
         if(clang_getCursorKind(cx_tmp_cursor) != CXCursorKind::CXCursor_TranslationUnit) {
-          int c = 0;
           auto it = data->parent_parts.rbegin();
           for(; it != data->parent_parts.rend(); ++it) {
             auto name = clangmm::to_string(clang_getCursorDisplayName(cx_tmp_cursor));
@@ -99,7 +98,6 @@ clangmm::Cursor clangmm::CompletionString::get_cursor(CXTranslationUnit &tu) con
               ++it;
               break;
             }
-            ++c;
           }
           if(it != data->parent_parts.rend())
             equal = false;