clients: Fix/resolved doxygen warnings

Missing/wrong parameters and '[out]' issues.

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>

shared/file-util.c

@@ -69,7 +69,7 @@ create_file_excl(const char *fname)
  * \param path File path
  * \param prefix File name prefix.
  * \param suffix File name suffix.
- * \param name_out[out] Buffer for the resulting file name.
+ * \param[out] name_out Buffer for the resulting file name.
  * \param name_len Number of bytes usable in name_out.
  * \return stdio FILE pointer, or NULL on failure.
  *

shared/helpers.h

@@ -123,7 +123,7 @@ extern "C" {
  *     expanded[i] = small[4];
  * @endcode
  *
- * @param condition Expression to check for truth
+ * @param cond Expression to check for truth
  * @param msg Message to print on failure
  */
 #ifndef static_assert