[PATCH 5/5] configure: Avoid '==' bashism

[Peter Maydell]

The '==' operator to test is a bashism; the standard way to copmare
strings is '='. This causes dash to complain:

../../configure: 681: test: linux: unexpected operator

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index d0e9a51462e..2c19329d58c 100755
--- a/configure
+++ b/configure
@@ -678,7 +678,7 @@ werror=""
 
 meson_option_build_array() {
   printf '['
-  (if test "$targetos" == windows; then
+  (if test "$targetos" = windows; then
     IFS=\;
   else
     IFS=:
-- 
2.25.1