tests: use "Exit $fail", not (exit $fail); exit $fail

* tests/test-lib.sh (Exit): New function by Ralf Wildenhues in automake
http://git.sv.gnu.org/gitweb/?p=automake.git;a=commitdiff;h=20594c08f63
* tests/**: Convert all uses:

This restrictive change converted the vast majority:

  git grep -l '^(exit \$fail); exit \$fail$' \
    | xargs perl -pi -e 's/'^\(exit \$fail\); exit \$fail$/Exit \$fail/'

And this did the rest, plus a few undesirable ones, so I manually
backed out the changes to ChangeLog-* and build-aux/check.mk:

  git grep -l -E '\(exit [^)]+\); exit ' \
    | xargs perl -pi -e 's/\(exit (.+?)\); exit \1/Exit $1/'

1 files changed, 4 insertions, 4 deletions

diff --git a/tests/misc/tac-continue b/tests/misc/tac-continue
index ce41a525c..ea2a3eaeb 100755
--- a/tests/misc/tac-continue
+++ b/tests/misc/tac-continue
@@ -33,7 +33,7 @@ fi
 if ! test -d "$FULL_PARTITION_TMPDIR"; then
   echo "$0: $FULL_PARTITION_TMPDIR:" \
     "\$FULL_PARTITION_TMPDIR does not specify a directory" 1>&2
-  (exit 1); exit 1
+  Exit 1
 fi
 
 fp_tmp="$FULL_PARTITION_TMPDIR/tac-cont-$$"
@@ -42,14 +42,14 @@ cleanup_() { rm -f "$fp_tmp"; }
 # Make sure we can create an empty file there (i.e. no shortage of inodes).
 if ! touch $fp_tmp; then
   echo "$0: $fp_tmp: cannot create empty file" 1>&2
-  (exit 1); exit 1
+  Exit 1
 fi
 
 # Make sure that we fail when trying to create a file large enough
 # to consume a non-inode block.
 if seq 1000 > $fp_tmp 2>/dev/null; then
   echo "$0: $FULL_PARTITION_TMPDIR: not a full partition" 1>&2
-  (exit 1); exit 1
+  Exit 1
 fi
 
 seq 5 > in
@@ -72,4 +72,4 @@ EOF
 
 compare out exp || fail=1
 
-(exit $fail); exit $fail
+Exit $fail