Revert 'protected' FontSelectorStrategy#tempFonts field renaming

This field is part of public API which shall not be broken between
minor releases. The field is deprecated and will be removed in next
major release.

DEVSIX-3918

Autoported commit.
Original commit hash: [cb85f88]

Author: yulian-gaponenko

itext/itext.layout/itext/layout/font/FontSelectorStrategy.cs

@@ -63,13 +63,14 @@ public abstract class FontSelectorStrategy {
 
         protected internal readonly FontProvider provider;
 
-        protected internal readonly FontSet additionalFonts;
+        [System.ObsoleteAttribute(@"This field will be renamed to additionalFonts in iText Core 7.2.")]
+        protected internal readonly FontSet tempFonts;
 
         protected internal FontSelectorStrategy(String text, FontProvider provider, FontSet additionalFonts) {
             this.text = text;
             this.index = 0;
             this.provider = provider;
-            this.additionalFonts = additionalFonts;
+            this.tempFonts = additionalFonts;
         }
 
         public virtual bool EndOfText() {
@@ -85,7 +86,7 @@ public virtual bool EndOfText() {
         /// <returns>cached or just created PdfFont on success, otherwise null.</returns>
         /// <seealso cref="FontProvider.GetPdfFont(FontInfo, FontSet)"/>
         protected internal virtual PdfFont GetPdfFont(FontInfo fontInfo) {
-            return provider.GetPdfFont(fontInfo, additionalFonts);
+            return provider.GetPdfFont(fontInfo, tempFonts);
         }
     }
 }

port-hash

@@ -1 +1 @@
-f44b4984f831d850b3ffb0ae5e62c5db39a824d1
+cb85f889aa5a9c9f9561310513f594178a4dd2f1