[PATCH] Fix stdlib/tst-setcontext3 with dash [BZ#18418]

[Adhemerval Zanella]

This patch remove the non-portable array usage on tst-setcontext3.sh
script.  It fixes the testcase when using dash as default shell.

Tested on x86_64. OK to apply?

--

2015-05-14  Adhemerval Zanella  <adhemerval.zanella@linaro.org>

	[BZ #18418]
	* stdlib/tst-setcontext3.sh: Remove non-portable array use.

--

diff --git a/NEWS b/NEWS
index 44803fa..a9ba85a 100644
--- a/NEWS
+++ b/NEWS
@@ -17,7 +17,8 @@ Version 2.22
   17999, 18007, 18019, 18020, 18029, 18030, 18032, 18036, 18038, 18039,
   18042, 18043, 18046, 18047, 18068, 18080, 18093, 18100, 18104, 18110,
   18111, 18125, 18128, 18138, 18185, 18196, 18197, 18206, 18210, 18211,
-  18217, 18220, 18221, 18247, 18287, 18319, 18333, 18346, 18397, 18409.
+  18217, 18220, 18221, 18247, 18287, 18319, 18333, 18346, 18397, 18409,
+  18418.
 
 * Cache information can be queried via sysconf() function on s390 e.g. with
   _SC_LEVEL1_ICACHE_SIZE as argument.
diff --git a/stdlib/tst-setcontext3.sh b/stdlib/tst-setcontext3.sh
index 6ad67a8..b48e6bb 100644
--- a/stdlib/tst-setcontext3.sh
+++ b/stdlib/tst-setcontext3.sh
@@ -29,14 +29,12 @@ test_pre="${test_program_prefix_before_env} ${run_program_env}"
 test="${test_program_prefix_after_env} ${objpfx}tst-setcontext3"
 out=${objpfx}tst-setcontext3.out
 
-tempfiles=()
 cleanup() {
-  rm -f "${tempfiles[@]}"
+  rm -f $tempfile
 }
 trap cleanup 0
 
 tempfile=$(mktemp "tst-setcontext3.XXXXXXXXXX")
-tempfiles+=("$tempfile")
 
 # We want to run the test program and see if secontext called
 # exit() and wrote out the test file we specified.  If the