tests: fix Makefile.am syntax

It requires a tab character, or the build will fail.

diff --git a/testsuite/css/style/Makefile.am b/testsuite/css/style/Makefile.am
index d7e7172059ee1ac132068e85d6f1ecc767e378c3..bbd72ef6a1769a1ebd834f335bf2e01217490518 100644 (file)
--- a/testsuite/css/style/Makefile.am
+++ b/testsuite/css/style/Makefile.am
@@ -45,7 +45,7 @@ substitutions = \
 test_files = $(test_in_files:.test.in=.test)
 
 $(test_files): %.test: %.test.in
-        $(AM_V_GEN) sed $(substitutions) $< > $@.tmp && mv $@.tmp $@
+       $(AM_V_GEN) sed $(substitutions) $< > $@.tmp && mv $@.tmp $@
 
 EXTRA_DIST += \
        reset-to-defaults.css   \