Move tst-getlogin to login/ subdirectory.

ChangeLog

@@ -1,5 +1,10 @@
 2015-02-06  Roland McGrath  <roland@hack.frob.com>
 
+	* posix/tst-getlogin.c: Move to ...
+	* login/tst-getlogin.c: ... here.
+	* posix/Makefile (tests): Move tst-getlogin to ...
+	* login/Makefile (tests): ... here.
+
 	* libio/tst-atime.c (do_test): Move local variables SV and E
 	inside [ST_NOATIME] conditional.
 

login/Makefile

@@ -43,7 +43,7 @@ endif
 subdir-dirs = programs
 vpath %.c programs
 
-tests := tst-utmp tst-utmpx tst-grantpt tst-ptsname
+tests := tst-utmp tst-utmpx tst-grantpt tst-ptsname tst-getlogin
 
 # Build the -lutil library with these extra functions.
 extra-libs      := libutil

posix/Makefile

@@ -64,7 +64,7 @@ routines :=								      \
 aux		:= init-posix environ
 tests		:= tstgetopt testfnm runtests runptests	     \
 		   tst-preadwrite tst-preadwrite64 test-vfork regexbug1 \
-		   tst-getlogin tst-mmap tst-getaddrinfo tst-truncate \
+		   tst-mmap tst-getaddrinfo tst-truncate \
 		   tst-truncate64 tst-fork tst-fnmatch tst-regexloc tst-dir \
 		   tst-chmod bug-regex1 bug-regex2 bug-regex3 bug-regex4 \
 		   tst-gnuglob tst-regex bug-regex5 bug-regex6 bug-regex7 \