Use sizeof instead of hard-coded array size

The array should be declared with its actual size.

diff --git a/universal.c b/universal.c
index 27783ac..dec8505 100644 (file)
--- a/universal.c
+++ b/universal.c
@@ -1175,7 +1175,7 @@ XS(XS_re_regexp_pattern)
         /* Houston, we have a regex! */
         SV *pattern;
         STRLEN left = 0;
-        char reflags[6];
+        char reflags[sizeof(INT_PAT_MODS)];
 
         if ( GIMME_V == G_ARRAY ) {
             /*