Log some progress info to log file.

src/search.cpp

@@ -40,8 +40,9 @@ using std::string;
 std::vector<match> search(const fs::path &filepath,
                           const std::string_view regex, const settings &opts)
 {
-    DEBUGLOG << format(R"(Starting search in {0:s} using regex "{1:s}")",
-                       filepath, regex);
+    LOG(log::sev::info)
+        << format(R"(Starting search in {0:s} using regex "{1:s}")", filepath,
+                  regex);
     boost::regex::flag_type flags{};
 
     switch (opts.regex)