tests: Use a basic grep that matches the basic regexp style.
Fixes a testsuite failure on Cygwin.
* tests/tagdemo.at: Use grep instead of egrep.
Signed-off-by: Peter Rosin <peda@lysator.liu.se>
diff --git a/tests/tagdemo.at b/tests/tagdemo.at
index 0eecf2e..d7f94be 100644
--- a/tests/tagdemo.at
+++ b/tests/tagdemo.at
@@ -386,7 +386,7 @@
LT_AT_BOOTSTRAP([], [-I m4], [], [--add-missing], [],
[--disable-static], [ignore])
-AT_CHECK([$EGREP "^allow_undefined_flag=.\{0,1\}unsupported.\{0,1\}$" libtool && (exit 77)],
+AT_CHECK([$GREP "^allow_undefined_flag=.\{0,1\}unsupported.\{0,1\}$" libtool && (exit 77)],
1, [ignore])
sed 's|allow_undefined=no|allow_undefined=yes|g' libtool > ltnew && mv -f ltnew libtool
LT_AT_CHECK_EXECUTE([], [./tagdemo])
