libeval_compiler: fix string comparison

common/libeval_compiler/libeval_compiler.cpp

@@ -118,7 +118,7 @@ bool VALUE::EqualTo( const VALUE* b ) const
             return WildCompareString( b->m_valueStr, m_valueStr, false );
         }
         else
-            return m_valueStr.CmpNoCase( b->m_valueStr );
+            return !m_valueStr.CmpNoCase( b->m_valueStr );
     }
 
     return false;

qa/pcbnew/test_libeval_compiler.cpp

@@ -116,7 +116,7 @@ static bool testEvalExpr( const wxString& expr, LIBEVAL::VALUE expectedResult,
     if( ok )
     {
         result = *ucode.Run( &context );
-        ok     = ( result == expectedResult );
+        ok     = ( result.EqualTo( &expectedResult ) );
     }