manual: Put the istrerrorname_np and strerrordesc_np return type in braces

Otherwise it is not rendered or indexed correctly.

diff --git a/manual/errno.texi b/manual/errno.texi
index 7ac1554..9879ab4 100644 (file)
--- a/manual/errno.texi
+++ b/manual/errno.texi
@@ -1207,7 +1207,7 @@ to @code{errno}.
 The function @code{perror} is declared in @file{stdio.h}.
 @end deftypefun
 
-@deftypefun const char * strerrorname_np (int @var{errnum})
+@deftypefun {const char *} strerrorname_np (int @var{errnum})
 @standards{GNU, string.h}
 @safety{@mtsafe{}@assafe{}@acsafe{}}
 This function returns the name describing the error @var{errnum} or
@@ -1218,7 +1218,7 @@ for @code{EINVAL}).
 This function is a GNU extension, declared in the header file @file{string.h}.
 @end deftypefun
 
-@deftypefun const char * strerrordesc_np (int @var{errnum})
+@deftypefun {const char *} strerrordesc_np (int @var{errnum})
 @standards{GNU, string.h}
 @safety{@mtsafe{}@assafe{}@acsafe{}}
 This function returns the message describing the error @var{errnum} or