[libcroco/wip/fmuellner/coverage-fixes: 4/10] om-parser: Don't leak charset in error case

[Florian Müllner <fmuellner src gnome org>]

commit e16009c93cd0f51489a9cf9fa070486f2a7c8e77
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Feb 19 00:20:45 2019 +0100

    om-parser: Don't leak charset in error case
    
    It is freed correctly if creating stmt2 fails, but leaked in case
    of stmt. Adjust the code so that the cleanup is run for both cases.
    
    Spotted by covscan.
    
    https://gitlab.gnome.org/GNOME/libcroco/merge_requests/1

 src/cr-om-parser.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/cr-om-parser.c b/src/cr-om-parser.c
index 348cd1f..4576199 100644
--- a/src/cr-om-parser.c
+++ b/src/cr-om-parser.c
@@ -318,8 +318,8 @@ charset (CRDocHandler * a_this, CRString * a_charset,
 
         charset = cr_string_dup (a_charset) ;
         stmt = cr_statement_new_at_charset_rule (ctxt->stylesheet, charset);
-        g_return_if_fail (stmt);
-        stmt2 = cr_statement_append (ctxt->stylesheet->statements, stmt);
+        if (stmt)
+                stmt2 = cr_statement_append (ctxt->stylesheet->statements, stmt);
         if (!stmt2) {
                 if (stmt) {
                         cr_statement_destroy (stmt);