Fixed doxygen blocks
(cherry picked from commit 77db6ce3481ad610ee786d5ab171d5d10c1cb59d)
diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index ea518d7..6d4aca8 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -606,7 +606,7 @@
  */
 #define POLARSSL_SSL_CLI_C
 
-/*
+/**
  * \def POLARSSL_SSL_SRV_C
  *
  * Enable the SSL/TLS server code.