Avoid trailing whitespace in sysdeps/gnu/errlist.c.

ChangeLog

@@ -1,5 +1,9 @@
 2013-06-08  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/gnu/errlist.awk: Do not generate space at end of
+	otherwise empty TRANS lines.
+	* sysdeps/gnu/errlist.c: Regenerated.
+
 	* catgets/gencat.c (error_print): Use (void) in function
 	definition.
 	* crypt/crypt_util.c (__init_des): Likewise.

sysdeps/gnu/errlist.awk

@@ -99,7 +99,7 @@ errnoh == 4 && $1 == "@end" && $2 == "deftypevr" \
 errnoh == 4 \
   {
     # This magic tag in C comments gets them copied into libc.pot.
-    desc = desc "\nTRANS " $0; next
+    desc = desc "\nTRANS" ($0 != "" ? " " : "") $0; next
   }
 { errnoh=0 }
 END {