Avoid PMD warning.

pmd-plsql/src/main/java/net/sourceforge/pmd/lang/plsql/ast/ASTInput.java

@@ -38,13 +38,13 @@ public class ASTInput extends net.sourceforge.pmd.lang.plsql.ast.AbstractPLSQLNo
     private int excludedRangesCount = 0;
     private int excludedLinesCount = 0;
 
-    /** 
+    /**
     Let the user know that a range of lines were excluded from parsing.
     @param first First line of the exlucded line range (1-based).
     @param last Last line  of the exlucded line range (1-based).
     */
     void addExcludedLineRange(int first, int last) {
-        excludedLinesCount += (last - first + 1);
+        excludedLinesCount += last - first + 1;
         excludedRangesCount += 1;
     }