Linux 5.3: Fix switch() fall though compiler errors

Fix some switch() fall-though compiler errors:

    abd.c:1504:9: error: this statement may fall through

Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Tony Hutter <[email protected]>
Closes #9170 

1 files changed, 6 insertions, 3 deletions

diff --git a/module/lua/llex.c b/module/lua/llex.c
index 8760155d0..50c301f59 100644
--- a/module/lua/llex.c
+++ b/module/lua/llex.c
@@ -431,9 +431,12 @@ static int llex (LexState *ls, SemInfo *seminfo) {
         if (sep >= 0) {
           read_long_string(ls, seminfo, sep);
           return TK_STRING;
-        }
-        else if (sep == -1) return '[';
-        else lexerror(ls, "invalid long string delimiter", TK_STRING);
+        } else if (sep == -1) {
+		return '[';
+        } else {
+		lexerror(ls, "invalid long string delimiter", TK_STRING);
+		break;
+	}
       }
       case '=': {
         next(ls);