Change operator precedence.

[fossamagna]

I think that the order of priority of operators in VB also applies to VB 6. (Although the description is VB.NET, it is linked from Operator Precedence of VB 6 document.)

• https://msdn.microsoft.com/en-us/library/aa262417(v=vs.60).aspx
• https://docs.microsoft.com/en-us/dotnet/visual-basic/language-reference/operators/operator-precedence

[coveralls]

Coverage remained the same at 60.039% when pulling bc34e8145d7054c599b57f034787b60d02b9feb7 on fossamagna:fix-operator-precedence into 510ad05c2af8d5db154a4a0e62c452c20d194802 on uwol:master.