Tokenizer::simplifyIfAssign(): change return type to void.

No functional change.

src/tokenize.cpp

@@ -2579,10 +2579,8 @@ void Tokenizer::unsignedint()
 }
 
 
-bool Tokenizer::simplifyIfAssign()
+void Tokenizer::simplifyIfAssign()
 {
-    bool ret = false;
-
     for (Token *tok = _tokens; tok; tok = tok->next())
     {
         if (!Token::Match(tok->next(), "if|while ( !| (| %var% =") &&
@@ -2595,9 +2593,6 @@ bool Tokenizer::simplifyIfAssign()
         // delete the "if"
         tok->deleteNext();
 
-        // The tokenlist has changed
-        ret = true;
-
         // Remember if there is a "!" or not. And delete it if there are.
         const bool isNot(tok->tokAt(2)->str() == "!");
         if (isNot)
@@ -2690,8 +2685,6 @@ bool Tokenizer::simplifyIfAssign()
             }
         }
     }
-
-    return ret;
 }
 
 

src/tokenize.h

@@ -138,10 +138,8 @@ private:
     /**
      * simplify if-assignments..
      * Example: "if(a=b);" => "a=b;if(a);"
-     * @return true if something is modified
-     *         false if nothing is done.
      */
-    bool simplifyIfAssign();
+    void simplifyIfAssign();
 
     /**
      * simplify if-not..