Replace calls to deprecated CFX_{Wide,Byte}String::Empty()

xfa/fxfa/parser/xfa_script_resolveprocessor.cpp

Index: xfa/fxfa/parser/xfa_script_resolveprocessor.cpp
diff --git a/xfa/fxfa/parser/xfa_script_resolveprocessor.cpp b/xfa/fxfa/parser/xfa_script_resolveprocessor.cpp
index 09f513714c8398db245278a366ba13636404126b..38271da65600be16ec0a326d4ccae73f76221e10 100644
--- a/xfa/fxfa/parser/xfa_script_resolveprocessor.cpp
+++ b/xfa/fxfa/parser/xfa_script_resolveprocessor.cpp
@@ -262,7 +262,7 @@ int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_Normal(
       rndFind.m_CurNode = pVariablesNode;
       XFA_ResolveNodes_SetStylesForChild(dwStyles, rndFind);
       CFX_WideString wsSaveCondition = rndFind.m_wsCondition;
-      rndFind.m_wsCondition.Empty();
+      rndFind.m_wsCondition.clear();
       XFA_ResolveNodes_Normal(rndFind);
       rndFind.m_wsCondition = wsSaveCondition;
       if (rndFind.m_Nodes.GetSize() > 0) {
@@ -300,7 +300,7 @@ int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_Normal(
         }
         rndFind.m_CurNode = child;
         CFX_WideString wsSaveCondition = rndFind.m_wsCondition;
-        rndFind.m_wsCondition.Empty();
+        rndFind.m_wsCondition.clear();
         XFA_ResolveNodes_Normal(rndFind);
         rndFind.m_wsCondition = wsSaveCondition;
         if (rndFind.m_Nodes.GetSize() > 0) {
@@ -444,7 +444,7 @@ int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_Normal(
       if (bInnerSearch) {
         rndFind.m_CurNode = child;
         CFX_WideString wsOriginCondition = rndFind.m_wsCondition;
-        rndFind.m_wsCondition.Empty();
+        rndFind.m_wsCondition.clear();
         uint32_t dwOriginStyle = rndFind.m_dwStyles;
         rndFind.m_dwStyles = dwOriginStyle | XFA_RESOLVENODE_ALL;
         XFA_ResolveNodes_Normal(rndFind);