Small logic fix for cite with only nopar or nocite option

Author: doxygen

src/cite.h

@@ -29,6 +29,8 @@ class CiteInfoOption
     static CiteInfoOption makeNumber()      { return CiteInfoOption(NUMBER); }
     static CiteInfoOption makeShortAuthor() { return CiteInfoOption(SHORTAUTHOR); }
     static CiteInfoOption makeYear()        { return CiteInfoOption(YEAR); }
+
+    void changeToNumber()         { m_bits = (m_bits & OptionMask) | NUMBER; }
     void setNoPar()               { m_bits |= NOPAR_BIT; }
     void setNoCite()              { m_bits |= NOCITE_BIT; }
 

src/docnode.cpp

@@ -3384,7 +3384,7 @@ void DocPara::handleCite(char cmdChar,const QCString &cmdName)
       }
     }
 
-    if (option.isUnknown()) option = CiteInfoOption::makeNumber();
+    if (option.isUnknown()) option.changeToNumber();
 
     parser()->tokenizer.setStatePara();
     tok=parser()->tokenizer.lex();