CPP: Adjust phonenumbermatch_test.cc integer types.
CPP: Adjust phonenumbermatch_test.cc integer types.

This failed with OSX 10.6 default gcc-4.2 and macports gcc-4.8.

Patch contributed by pmezard.

jarroda/libphonenumber-dotnet,weitzhandler/libphonenumber-csharp-1,caseykramer/libphonenumber-csharp,caseykramer/libphonenumber-csharp,fengzhyuan/libphonenumber-csharp,weitzhandler/libphonenumber-csharp-1,caseykramer/libphonenumber-csharp,weitzhandler/libphonenumber-csharp-1,jagui/libphonenumber-csharp,weitzhandler/libphonenumber-csharp-1,fengzhyuan/libphonenumber-csharp,jarroda/libphonenumber-dotnet,jarroda/libphonenumber-dotnet,jagui/libphonenumber-csharp,jagui/libphonenumber-csharp,jagui/libphonenumber-csharp,jarroda/libphonenumber-dotnet,jarroda/libphonenumber-dotnet,fengzhyuan/libphonenumber-csharp,fengzhyuan/libphonenumber-csharp,fengzhyuan/libphonenumber-csharp,weitzhandler/libphonenumber-csharp-1,jarroda/libphonenumber-dotnet,caseykramer/libphonenumber-csharp,weitzhandler/libphonenumber-csharp-1,fengzhyuan/libphonenumber-csharp,weitzhandler/libphonenumber-csharp-1,caseykramer/libphonenumber-csharp,jarroda/libphonenumber-dotnet,caseykramer/libphonenumber-csharp,jarroda/libphonenumber-dotnet,fengzhyuan/libphonenumber-csharp,caseykramer/libphonenumber-csharp