[COMMITTED] manual: Fix invalid 'illegal' usage with 'nanosleep'

[Maciej W. Rozycki]

The GNU Coding Standards demand that 'illegal' only be used to refer to 
activities prohibited by law.  Replace it with 'invalid' accordingly in
the description of the EINVAL error condition for 'nanosleep'.
---
 manual/time.texi |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

glibc-doc-nanosleep-invalid.diff
Index: glibc/manual/time.texi
===================================================================
--- glibc.orig/manual/time.texi
+++ glibc/manual/time.texi
@@ -3213,7 +3213,7 @@ elapsed time.
 
 @item EINVAL
 The nanosecond value in the @var{requested_time} parameter contains an
-illegal value.  Either the value is negative or greater than or equal to
+invalid value.  Either the value is negative or greater than or equal to
 1000 million.
 @end table