configure: Fix static array check

diff --git a/configure.ac b/configure.ac
index a118a167beee6db0a99e29198675a52c4f84b1b7..77c4d70eef27db951dd717b14aafe4aaf97a5ce7 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1009,7 +1009,7 @@ fi
 
 AC_CACHE_CHECK([if we can use C99 static in array sizes],i_cv_c99_static_arrays,[
   AC_TRY_COMPILE([
-    void foo(int arr[static 20]);
+    void foo(unsigned char [static 20]);
   ], [
   ], [
     i_cv_c99_static_arrays=yes