[libvirt PATCH] conf: fix enum conversion

[Ján Tomko <jtomko@xxxxxxxxxx>]

../src/conf/domain_conf.c:8144:78: error: result of comparison of unsigned enum expression < 0 is always false [-Werror,-Wtautological-unsigned-enum-zero-compare]
        if ((def->writeFiltering = virTristateBoolTypeFromString(filtering)) < 0) {
            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~

Signed-off-by: Ján Tomko <jtomko@xxxxxxxxxx>
Fixes: 9d15647dcb96831c93ac8c1d67c47265b5ed9072
---
Pushed as a build-breaker fix.

 src/conf/domain_conf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 7d177a5562..72ac4f4191 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -8141,12 +8141,14 @@ virDomainHostdevSubsysPCIDefParseXML(xmlNodePtr node,
     xmlNodePtr cur;
 
     if ((filtering = virXMLPropString(node, "writeFiltering"))) {
-        if ((def->writeFiltering = virTristateBoolTypeFromString(filtering)) < 0) {
+        int val;
+        if ((val = virTristateBoolTypeFromString(filtering)) < 0) {
             virReportError(VIR_ERR_XML_ERROR,
                            _("unknown pci writeFiltering setting '%s'"),
                            filtering);
             return -1;
         }
+        def->writeFiltering = val;
     }
 
     cur = node->children;
-- 
2.26.2