tests: fix scanner private-code test reference data

Commit e501230d1dc8a5015616e104ec0e08886a0b88df "scanner: Fix broken
private-code generation" changed the scanner output without updating the
reference output for scanner tests.

Update the reference data. This fixes 'make check'.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Derek Foreman <derekf@osg.samsung.com>

tests/data/small-private-code.c

diff --git a/tests/data/small-private-code.c b/tests/data/small-private-code.c
index e447607..5e0bc88 100644
--- a/tests/data/small-private-code.c
+++ b/tests/data/small-private-code.c
@@ -33,7 +33,7 @@
 # define __has_attribute(x) 0  /* Compatibility with non-clang compilers. */
 #endif
 
-#if (__has_attribute(visibility) || defined(__GNUC__) && __GNUC__ >= 4
+#if (__has_attribute(visibility) || defined(__GNUC__) && __GNUC__ >= 4)
 #define WL_PRIVATE __attribute__ ((visibility("hidden")))
 #else
 #define WL_PRIVATE