configure: bump libwayland requirements

wl_surface role error codes were added during the 1.6.90 development to
libwayland.

Reported-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
diff --git a/configure.ac b/configure.ac
index eeab641..e03c731 100644
--- a/configure.ac
+++ b/configure.ac
@@ -59,7 +59,7 @@
 
 AC_CHECK_FUNCS([mkostemp strchrnul initgroups posix_fallocate])
 
-COMPOSITOR_MODULES="wayland-server >= 1.5.91 pixman-1 >= 0.25.2"
+COMPOSITOR_MODULES="wayland-server >= 1.6.90 pixman-1 >= 0.25.2"
 
 AC_ARG_ENABLE(egl, [  --disable-egl],,
               enable_egl=yes)
@@ -292,7 +292,7 @@
 
 PKG_CHECK_MODULES(CAIRO, [cairo])
 
-PKG_CHECK_MODULES(TEST_CLIENT, [wayland-client])
+PKG_CHECK_MODULES(TEST_CLIENT, [wayland-client >= 1.6.90])
 
 AC_ARG_ENABLE(simple-clients,
               AS_HELP_STRING([--disable-simple-clients],