coverity#1187696 Unintended sign extension

Change-Id: I8e56137ad4422381adbf13b179e2ae6f04edea6e
coverity#736898 Unintended sign extension

Change-Id: Ie09d25b2f9993435ebffc52c7257cd9396672c8f
coverity#706115 Unintended sign extension

and

coverity#706114 Unintended sign extension
coverity#706113 Unintended sign extension

Change-Id: Ib9ab82082fb353ecfc98a4130fdf2bb136ac1350
coverity#706094 Unintended sign extension

and

coverity#706093 Unintended sign extension
coverity#706092 Unintended sign extension
coverity#706091 Unintended sign extension

Change-Id: I64ec74ad8eecdb47a6245086ea6e01716a02cd32
coverity#706081 Unintended sign extension

and

coverity#706080 Unintended sign extension

Change-Id: Ieb5bd639567767b4c6b2957a9e628eb841713198
coverity#706077 Unintended sign extension

Change-Id: I3a5d8a946b5134b4cd58694283bea0fac59a043a
coverity#704075 Unchecked return value

Change-Id: Iacb7ccb17106bd3439c56756eb6d6a4b5969465d
coverity#704112 Unchecked return value

Change-Id: Ic1147662012426126c1cfcf7cb496a3d03cab794
this string is in svx

we shouldn't be in this condition, but seeing as we are fix the
string source.

Change-Id: Ia746a24db3daae7952f4b5dbd94a315a4e79cf12