bug#22350: Failing pcre-count test on ppc64 (and probably aarch64)

[Jaroslav Skarvada]

Using latest git head and running 'make check' on ppc64:

...
+ compare_ exp out
+ diff -u exp out
--- exp 2016-01-11 17:37:07.796806891 +0100
+++ out 2016-01-11 17:37:07.796806891 +0100
@@ -1 +1 @@
-1
+2
+ fail=1
+ Exit 1
+ set +e
+ exit 1
+ exit 1
+ remove_tmp_
+ __st=1
+ cleanup_
+ :
+ cd /grep/tests
+ chmod -R u+rwx /grep/tests/gt-pcre-count.ibTE
+ rm -rf /grep/tests/gt-pcre-count.ibTE
+ exit 1
FAIL pcre-count (exit status: 1)

I also received reports about the same failure on aarch64, but I haven't checked
it myself yet

thanks & regards

Jaroslav