tighten formatting rules

src/examples/https_fileserver_example.c

@@ -103,6 +103,7 @@ file_reader (void *cls, uint64_t pos, char *buf, size_t max)
   return fread (buf, 1, max, file);
 }
 
+
 static void
 file_free_callback (void *cls)
 {
@@ -110,6 +111,7 @@ file_free_callback (void *cls)
   fclose (file);
 }
 
+
 /* HTTP access handler call back */
 static int
 http_ahc (void *cls,