Fix Doxygen syntax error in generated code

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/scripts/generate_ssl_debug_helpers.py b/scripts/generate_ssl_debug_helpers.py
index a722c19..4babd08 100755
--- a/scripts/generate_ssl_debug_helpers.py
+++ b/scripts/generate_ssl_debug_helpers.py
@@ -296,9 +296,9 @@
 /* Automatically generated by generate_ssl_debug_helpers.py. DO NOT EDIT. */
 
 /**
- * \file ssl_debug_helpers_generated.c
+ * \\file ssl_debug_helpers_generated.c
  *
- * \brief Automatically generated helper functions for debugging
+ * \\brief Automatically generated helper functions for debugging
  */
 /*
  *  Copyright The Mbed TLS Contributors