Fixed FindBugs issue: use String.to(Lower|Upper)Case with Locale.ENGLISH

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_TrueTypeInPostScript@1351349 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/fonts/EmbeddingMode.java

@@ -19,6 +19,8 @@
 
 package org.apache.fop.fonts;
 
+import java.util.Locale;
+
 /**
  * This enumerates the embedding mode of fonts; full; subset; auto (auto defaults to full for
  * Type 1 fonts and subset for TrueType fonts.
@@ -37,7 +39,7 @@ public enum EmbeddingMode {
      * @return the name of this embedding mode in lower case.
      */
     public String getName() {
-        return this.toString().toLowerCase();
+        return this.toString().toLowerCase(Locale.ENGLISH);
     }
 
     /**

src/java/org/apache/fop/render/ps/PSFontUtils.java

@@ -25,6 +25,7 @@ import java.io.InputStream;
 import java.net.MalformedURLException;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 
@@ -374,7 +375,7 @@ public class PSFontUtils extends org.apache.xmlgraphics.ps.PSFontUtils {
                     char ch16 = (char)ch; //TODO Handle Unicode characters beyond 16bit
                     String glyphName = Glyphs.charToGlyphName(ch16);
                     if ("".equals(glyphName)) {
-                        glyphName = "u" + Integer.toHexString(ch).toUpperCase();
+                        glyphName = "u" + Integer.toHexString(ch).toUpperCase(Locale.ENGLISH);
                     }
                     writeGlyphDefs(gen, glyphName, glyphIndex);