use const on method

src/KeyboardTranslator.cpp

@@ -317,7 +317,7 @@ QString KeyboardTranslatorReader::description() const
     return _description;
 }
 
-bool KeyboardTranslatorReader::hasNextEntry()
+bool KeyboardTranslatorReader::hasNextEntry() const
 {
     return _hasNext;
 }

src/KeyboardTranslator.h

@@ -363,7 +363,7 @@ public:
     QString description() const;
 
     /** Returns true if there is another entry in the source stream */
-    bool hasNextEntry();
+    bool hasNextEntry() const;
     /** Returns the next entry found in the source stream */
     KeyboardTranslator::Entry nextEntry();